cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

Showing 1-7 of 7 results.

A200968 Number of nX2 0..6 arrays with every row and column running average nondecreasing rightwards and downwards.

Original entry on oeis.org

28, 336, 3636, 37254, 368218, 3543465, 33420304, 310188575, 2842734858, 25785030510, 231905061219, 2071004316674, 18384294374976, 162358277380149, 1427441485073845, 12500646342073494, 109091420391340409
Offset: 1

Views

Author

R. H. Hardin Nov 25 2011

Keywords

Comments

Column 2 of A200974

Examples

			Some solutions for n=3
..1..1....0..0....1..2....0..0....1..5....0..5....0..3....0..3....1..5....0..2
..6..6....0..3....2..5....0..1....3..5....1..6....3..3....0..6....4..6....0..2
..5..5....0..2....4..5....4..4....3..5....4..6....2..3....4..5....3..6....2..5
		

A200969 Number of nX3 0..6 arrays with every row and column running average nondecreasing rightwards and downwards.

Original entry on oeis.org

106, 3636, 110854, 3167295, 86468392, 2279060645, 58497330607, 1470248361721, 36345145877004, 886386298107620, 21376162175779039, 510658443459103773, 12100575606121151494, 284720818089996296210, 6658048676892055486889
Offset: 1

Views

Author

R. H. Hardin Nov 25 2011

Keywords

Comments

Column 3 of A200974

Examples

			Some solutions for n=4
..0..0..3....0..0..2....0..0..4....0..0..2....0..0..1....0..0..0....0..0..1
..0..3..4....0..0..4....0..3..4....0..0..3....0..0..4....0..0..4....0..0..1
..0..3..6....3..6..5....0..3..6....0..4..6....0..4..4....0..5..5....0..5..5
..2..4..5....6..6..6....4..6..5....0..6..6....5..5..6....3..3..4....2..3..3
		

A200970 Number of nX4 0..6 arrays with every row and column running average nondecreasing rightwards and downwards.

Original entry on oeis.org

388, 37254, 3167295, 250149820, 18714498069, 1342587653727, 93360032845673, 6335655315992974, 421865904772827987, 27660730981017838471, 1790599737428642496028, 114654496418709581646953
Offset: 1

Views

Author

R. H. Hardin Nov 25 2011

Keywords

Comments

Column 4 of A200974

Examples

			Some solutions for n=3
..0..0..1..5....0..0..0..1....0..0..0..1....0..0..0..1....0..0..2..4
..0..1..1..5....0..1..2..6....0..1..2..5....0..0..3..5....0..0..2..4
..0..3..3..6....2..6..4..5....1..2..3..3....0..5..3..4....0..0..3..6
		

A200967 Number of n X n 0..6 arrays with every row and column running average nondecreasing rightwards and downwards.

Original entry on oeis.org

7, 336, 110854, 250149820, 3807002935896
Offset: 1

Views

Author

R. H. Hardin Nov 25 2011

Keywords

Comments

Diagonal of A200974

Examples

			Some solutions for n=3
..1..4..3....0..2..4....0..1..1....0..1..2....0..0..2....0..0..0....1..2..3
..2..6..5....2..5..4....1..1..4....2..2..5....2..4..3....0..2..4....5..5..6
..3..5..4....2..5..5....4..5..6....3..5..6....1..5..5....4..5..5....3..6..6
		

A200971 Number of nX5 0..6 arrays with every row and column running average nondecreasing rightwards and downwards.

Original entry on oeis.org

1387, 368218, 86468392, 18714498069, 3807002935896, 738228105542702, 138224799691696144, 25201320751243781001
Offset: 1

Views

Author

R. H. Hardin Nov 25 2011

Keywords

Comments

Column 5 of A200974

Examples

			Some solutions for n=3
..0..0..0..0..2....0..0..0..4..4....0..0..0..1..6....0..0..0..1..1
..0..0..0..1..5....0..0..3..5..4....0..0..0..1..6....0..0..3..1..2
..0..0..0..2..5....0..0..2..6..6....0..0..1..2..6....0..0..2..3..4
		

A200972 Number of n X 6 0..6 arrays with every row and column running average nondecreasing rightwards and downwards.

Original entry on oeis.org

4874, 3543465, 2279060645, 1342587653727, 738228105542702
Offset: 1

Views

Author

R. H. Hardin, Nov 25 2011

Keywords

Comments

Column 6 of A200974.

Examples

			Some solutions for n=3
..0..0..0..0..1..5....0..0..0..0..1..2....0..0..0..0..0..1....0..0..0..0..1..3
..0..0..0..0..1..5....0..0..0..0..2..4....0..0..0..0..2..2....0..0..0..0..2..4
..0..0..3..6..5..5....0..0..1..3..5..4....0..0..6..6..6..5....0..0..2..2..4..6
		

Crossrefs

Cf. A200974.

A200973 Number of nX7 0..6 arrays with every row and column running average nondecreasing rightwards and downwards.

Original entry on oeis.org

16919, 33420304, 58497330607, 93360032845673, 138224799691696144
Offset: 1

Views

Author

R. H. Hardin Nov 25 2011

Keywords

Comments

Column 7 of A200974

Examples

			Some solutions for n=2
..0..0..0..2..3..5..3....0..0..0..2..3..4..4....0..0..0..1..3..1..2
..0..0..0..2..3..5..4....0..0..0..3..5..6..6....0..0..0..1..3..6..6
		
Showing 1-7 of 7 results.