A225987 -id:A225987 - cp's OEIS frontend

A225996 Number of pairs of orthogonal (-4,5) vectors of length 9*n.

3024, 1596291840, 294038117867520, 68184361565718773760, 16084808323123050319970304, 3830251318099321155852479496192, 931823480133178593246564251905032192

Offset: 1

R. H. Hardin, May 22 2013

nonn

Row 10 of A225987.

			Some solutions for n=1
..5..5....5..5...-4..5...-4..5...-4..5...-4..5...-4.-4...-4..5...-4..5...-4..5
.-4..5....5..5...-4..5...-4.-4....5..5...-4..5...-4..5...-4.-4...-4.-4....5..5
.-4..5...-4..5....5..5....5.-4....5.-4....5..5...-4..5...-4.-4...-4.-4...-4..5
..5..5....5.-4....5..5...-4.-4....5..5...-4..5...-4.-4....5.-4...-4..5...-4..5
..5.-4....5..5....5.-4...-4..5....5..5...-4..5...-4.-4....5.-4....5.-4...-4..5
.-4..5...-4..5....5..5...-4..5....5.-4....5..5...-4..5...-4.-4...-4.-4....5..5
..5..5...-4..5....5..5...-4.-4....5.-4....5..5...-4.-4...-4.-4...-4.-4....5..5
.-4..5...-4..5....5.-4...-4.-4....5..5....5..5...-4.-4...-4.-4...-4.-4....5.-4
..5..5....5..5....5.-4...-4.-4...-4..5...-4..5....5.-4...-4..5....5.-4....5..5

R. H. Hardin, Table of n, a(n) for n = 1..56

A225997 Number of pairs of orthogonal (-1,6) vectors of length 7*n.

Original entry on oeis.org

231, 1724086, 23850799560, 182201755171800, 1431877318884329856, 13044657178246280571712, 116927857061958334999652864, 1034834452512042254405345443200, 9329147292031736106743104217184000

Offset: 1

R. H. Hardin, May 22 2013

nonn

Row 11 of A225987.

			Some solutions for n=1
.-1..6...-1..6...-1..6...-1.-1....6..6...-1..6...-1..6...-1..6...-1..6...-1..6
..6..6....6.-1...-1..6...-1.-1...-1..6...-1..6...-1..6...-1..6....6.-1....6.-1
.-1..6....6.-1....6..6...-1.-1...-1..6....6.-1...-1..6....6..6....6..6...-1..6
..6.-1...-1..6....6.-1...-1..6....6.-1....6..6....6..6...-1..6...-1..6...-1..6
..6.-1...-1..6....6.-1...-1.-1...-1..6...-1..6....6.-1...-1..6...-1..6...-1..6
..6.-1....6..6....6.-1...-1.-1....6.-1...-1..6....6.-1....6.-1...-1..6....6..6
..6.-1...-1..6....6.-1...-1.-1...-1..6...-1..6....6.-1....6.-1...-1..6....6.-1

R. H. Hardin, Table of n, a(n) for n = 1..67

A225998 Number of pairs of orthogonal (-5,6) vectors of length 11*n.

Original entry on oeis.org

22176, 335386827776, 849096326082723840, 3382498893919837995663360, 12525301776918401256778352295936, 47806396948285999641998907781626724352, 186570872745316137212860850541663493543690240

Offset: 1

R. H. Hardin, May 22 2013

nonn

Row 12 of A225987.

			Some solutions for n=1
.-5..6...-5..6....6..6...-5..6....6..6...-5..6....6..6...-5..6...-5..6...-5.-5
..6.-5....6..6...-5..6....6..6...-5..6....6..6....6..6...-5..6...-5..6...-5.-5
..6..6....6..6....6.-5....6..6....6..6....6..6...-5..6...-5..6....6..6...-5.-5
..6.-5....6.-5....6..6....6..6...-5..6....6.-5....6.-5....6..6....6..6...-5..6
..6.-5....6.-5....6.-5....6.-5....6.-5....6..6....6..6....6.-5....6.-5...-5.-5
..6..6....6..6....6.-5....6.-5....6.-5....6..6....6.-5....6..6...-5..6...-5.-5
..6..6....6..6....6..6....6.-5....6.-5....6.-5....6.-5....6.-5....6.-5...-5.-5
..6..6...-5..6....6..6....6..6....6..6...-5..6....6..6....6..6....6..6...-5..6
..6..6...-5..6....6.-5...-5..6....6..6...-5..6...-5..6....6..6....6..6....6.-5
.-5..6...-5..6....6.-5...-5..6....6.-5....6..6....6..6...-5..6....6..6...-5..6
..6.-5....6..6....6..6....6..6....6..6...-5..6...-5..6....6..6....6.-5....6.-5

R. H. Hardin, Table of n, a(n) for n = 1..41

A225999 Number of pairs of orthogonal (-1,7) vectors of length 8*n.

Original entry on oeis.org

520, 14162160, 778340380576, 18604134178857920, 459346524767252653440, 14452627739116790817780480, 429730376813858492544466736640, 12361758128173322901773061686443008

Offset: 1

R. H. Hardin, May 22 2013

nonn

Row 13 of A225987.

			Some solutions for n=1
.-1..7...-1..7...-1..7...-1..7...-1..7...-1..7...-1..7...-1..7...-1..7...-1..7
..7..7...-1..7....7..7...-1..7...-1..7....7.-1....7.-1....7..7....7..7....7.-1
..7.-1...-1..7...-1..7....7.-1....7.-1....7.-1...-1..7...-1..7...-1..7...-1..7
..7.-1....7.-1...-1..7....7..7....7.-1...-1..7....7..7....7.-1....7.-1....7..7
..7.-1....7.-1...-1..7....7.-1...-1..7....7.-1....7.-1....7.-1....7.-1....7.-1
.-1..7....7..7....7.-1....7.-1...-1..7...-1..7...-1..7...-1..7....7.-1...-1..7
..7.-1....7.-1....7.-1...-1..7...-1..7....7.-1....7.-1...-1..7...-1..7...-1..7
..7.-1....7.-1...-1..7....7.-1....7..7....7..7....7.-1...-1..7...-1..7....7.-1

R. H. Hardin, Table of n, a(n) for n = 1..58

A226000 Number of pairs of orthogonal (-2,7) vectors of length 9*n.

Original entry on oeis.org

2376, 473173920, 142896990300480, 20278050662801226240, 3273835406669841316064256, 637732143080315479532514447360, 115448330868966954716300528059883520

Offset: 1

R. H. Hardin, May 22 2013

nonn

Row 14 of A225987.

			Some solutions for n=1
.-2..7...-2..7...-2..7...-2..7...-2..7...-2..7....7..7...-2..7...-2..7....7..7
..7.-2....7.-2....7.-2....7..7....7..7....7..7...-2..7....7.-2...-2..7...-2..7
.-2..7...-2..7....7..7...-2..7...-2..7...-2..7....7.-2....7..7....7..7...-2..7
..7..7....7..7...-2..7...-2..7....7.-2....7.-2....7..7...-2..7...-2..7....7.-2
.-2..7....7.-2...-2..7...-2..7....7.-2....7..7...-2..7....7.-2....7.-2...-2..7
..7..7...-2..7....7..7...-2..7...-2..7....7.-2...-2..7....7..7...-2..7....7..7
..7.-2....7.-2...-2..7...-2..7....7.-2....7.-2....7.-2....7.-2...-2..7...-2..7
.-2..7....7..7....7.-2....7..7....7..7...-2..7...-2..7....7.-2...-2..7...-2..7
.-2..7...-2..7....7.-2...-2..7...-2..7...-2..7....7.-2....7.-2....7..7...-2..7

R. H. Hardin, Table of n, a(n) for n = 1..46

A226002 Number of pairs of orthogonal (-4,7) vectors of length 11*n.

Original entry on oeis.org

23760, 241040067840, 927160196029562880, 2606734186332708640980992, 10726454782976061347559450869760, 39254958066409241851311669665794621440, 146612881747544901468330072567145716462387200

Offset: 1

R. H. Hardin, May 22 2013

nonn

Row 16 of A225987.

			Some solutions for n=1
.-4..7...-4..7....7..7...-4..7....7..7....7..7....7..7...-4..7....7..7....7..7
..7.-4...-4..7...-4..7....7.-4...-4..7...-4..7...-4..7...-4..7...-4..7...-4..7
.-4..7...-4..7....7.-4....7.-4....7..7....7.-4....7..7....7..7...-4..7....7..7
..7..7...-4..7....7..7....7..7...-4..7...-4..7....7.-4....7..7....7..7....7.-4
..7..7....7..7....7..7....7.-4...-4..7....7..7....7..7....7..7....7..7...-4..7
.-4..7...-4..7...-4..7....7..7....7..7....7..7...-4..7....7..7....7.-4...-4..7
..7.-4....7..7...-4..7....7..7....7.-4....7..7....7.-4...-4..7...-4..7...-4..7
..7..7...-4..7....7..7....7.-4....7.-4...-4..7....7..7....7.-4...-4..7...-4..7
..7.-4....7..7....7.-4...-4..7....7..7...-4..7....7.-4...-4..7....7.-4....7..7
..7..7....7.-4...-4..7....7..7...-4..7....7.-4....7.-4....7.-4...-4..7...-4..7
..7.-4....7..7...-4..7....7.-4...-4..7...-4..7....7.-4....7.-4....7..7....7..7

R. H. Hardin, Table of n, a(n) for n = 1..40

A226003 Number of pairs of orthogonal (-5,7) vectors of length 12*n.

Original entry on oeis.org

63360, 4403255070720, 50389229527931289600, 691039017279131756475187200, 11230803011407677754405600949698560, 162663217362852128754854119225357687062528

Offset: 1

R. H. Hardin, May 22 2013

nonn

Row 17 of A225987.

			Some solutions for n=1
..7..7....7..7...-5.-5...-5..7...-5..7...-5..7...-5..7...-5.-5...-5..7....7..7
.-5..7...-5..7...-5.-5....7..7....7.-5....7..7....7..7...-5.-5....7..7....7..7
.-5..7....7.-5...-5..7....7..7....7.-5....7..7...-5..7...-5.-5....7.-5...-5..7
.-5..7....7..7...-5.-5....7.-5...-5.-5....7.-5...-5..7...-5.-5....7..7....7.-5
.-5..7....7.-5...-5.-5...-5..7...-5..7...-5..7....7..7...-5..7...-5..7....7..7
..7.-5....7..7....7.-5...-5..7...-5.-5...-5..7...-5..7...-5..7....7..7...-5..7
..7..7....7..7....7.-5....7..7...-5.-5...-5..7...-5..7...-5.-5....7.-5....7.-5
.-5..7....7.-5...-5.-5...-5..7...-5.-5....7.-5....7..7...-5.-5...-5..7...-5..7
..7..7...-5..7....7.-5....7.-5...-5.-5....7..7....7..7...-5.-5....7.-5....7.-5
.-5..7....7..7....7.-5....7..7...-5.-5....7..7...-5..7....7.-5....7..7....7..7
..7..7....7.-5...-5.-5....7.-5...-5..7....7..7....7..7....7.-5....7.-5...-5..7
..7..7....7.-5...-5.-5....7..7...-5.-5...-5..7....7.-5....7.-5....7..7....7..7

R. H. Hardin, Table of n, a(n) for n = 1..36

A226004 Number of pairs of orthogonal (-6,7) vectors of length 13*n.

Original entry on oeis.org

164736, 73201966489600, 2521184924824165416960, 178483804896209887617477509120, 10141070492754733571346654771749584896, 628258815066107432786230672181689099642470400

Offset: 1

R. H. Hardin, May 22 2013

nonn

Row 18 of A225987.

			Some solutions for n=1
.-6..7...-6.-6...-6..7...-6.-6...-6..7...-6.-6...-6..7...-6..7...-6..7...-6.-6
..7.-6...-6..7...-6..7...-6.-6...-6..7...-6.-6...-6..7...-6.-6...-6..7...-6..7
..7..7....7.-6....7..7...-6..7...-6..7...-6.-6...-6.-6....7.-6....7..7...-6.-6
..7..7...-6.-6....7..7....7.-6....7..7...-6..7...-6.-6...-6.-6....7..7...-6.-6
.-6..7...-6.-6....7..7...-6..7....7.-6...-6.-6...-6.-6...-6..7....7.-6...-6..7
..7..7...-6..7....7.-6....7.-6....7..7...-6.-6...-6..7...-6..7....7..7....7.-6
..7..7...-6..7....7..7...-6.-6...-6..7...-6..7...-6.-6...-6.-6....7..7...-6.-6
.-6..7...-6.-6...-6..7...-6.-6....7.-6....7.-6....7.-6...-6..7....7..7...-6.-6
..7..7...-6.-6...-6..7...-6.-6....7..7....7.-6...-6.-6...-6..7...-6..7...-6.-6
.-6..7...-6..7....7.-6...-6.-6....7..7...-6.-6....7.-6...-6.-6...-6..7....7.-6
..7.-6...-6.-6....7..7....7.-6....7..7...-6..7...-6.-6...-6.-6....7.-6...-6.-6
..7..7...-6.-6...-6..7...-6.-6....7.-6...-6.-6...-6..7...-6.-6...-6..7...-6..7
..7.-6....7.-6....7..7....7.-6....7..7...-6..7...-6.-6...-6.-6....7..7....7.-6

R. H. Hardin, Table of n, a(n) for n = 1..31

cp's OEIS Frontend

A225996 Number of pairs of orthogonal (-4,5) vectors of length 9*n.

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A225997 Number of pairs of orthogonal (-1,6) vectors of length 7*n.

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A225998 Number of pairs of orthogonal (-5,6) vectors of length 11*n.

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A225999 Number of pairs of orthogonal (-1,7) vectors of length 8*n.

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A226000 Number of pairs of orthogonal (-2,7) vectors of length 9*n.

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A226002 Number of pairs of orthogonal (-4,7) vectors of length 11*n.

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A226003 Number of pairs of orthogonal (-5,7) vectors of length 12*n.

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A226004 Number of pairs of orthogonal (-6,7) vectors of length 13*n.

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