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.

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A069315 Number of 11 X n binary arrays with a path of adjacent 1's from upper left corner to anywhere in right hand column.

Original entry on oeis.org

1398101, 2006308480, 3014016321451, 4650208682728432, 7301005843380595779, 11592951743199556912876, 18543498700760853810422275, 29803331617203085845704313992, 48049989770896486757102805620329, 77626289171582272584203485766947172
Offset: 2

Views

Author

R. H. Hardin, Mar 14 2002

Keywords

Links

Crossrefs

Cf. 2 X n A069306, 3 X n A069307, 4 X n A069308, 5 X n A069309, 6 X n A069310, 7 X n A069311, 8 X n A069312, 9 X n A069313, 10 X n A069314, 12 X n A069316, 13 X n A069317, 14 X n A069318, 15 X n A069319, 16 X n A069320, by columns A069294-A069305.

Extensions

More terms from Sean A. Irvine, Apr 26 2024

A069316 Number of 12 X n binary arrays with a path of adjacent 1's from upper left corner to anywhere in right hand column.

Original entry on oeis.org

5592405, 16050948896, 48238373155229, 148975517675350528, 468579743984737735163, 1491945234246315077238684, 4789484633305049073669332993, 15460814292574112201614850454092, 50096394975413699108192666406325657, 162737494025555699251138581672556381200
Offset: 2

Views

Author

R. H. Hardin, Mar 14 2002

Keywords

Links

Crossrefs

Cf. 2 X n A069306, 3 X n A069307, 4 X n A069308, 5 X n A069309, 6 X n A069310, 7 X n A069311, 8 X n A069312, 9 X n A069313, 10 X n A069314, 11 X n A069315, 13 X n A069317, 14 X n A069318, 15 X n A069319, 16 X n A069320, by columns A069294-A069305.

Extensions

More terms from Sean A. Irvine, Apr 26 2024

A069307 Number of 3 X n binary arrays with a path of adjacent 1's from upper left corner to anywhere in right hand column.

Original entry on oeis.org

21, 110, 581, 3070, 16227, 85776, 453423, 2396868, 12670261, 66977242, 354053617, 1871590506, 9893561055, 52299127660, 276462513603, 1461430140016, 7725380293233, 40837737667414, 215875562691877
Offset: 2

Views

Author

R. H. Hardin, Mar 14 2002

Keywords

Crossrefs

Cf. 2 X n A069306, 4 X n A069308, 5 X n A069309, 6 X n A069310, 7 X n A069311, 8 X n A069312, 9 X n A069313, 10 X n A069314, 11 X n A069315, 12 X n A069316, 13 X n A069317, 14 X n A069318, 15 X n A069319, 16 X n A069320, by columns A069294-A069305.

Formula

G.f.: x^2*(21-37*x+14*x^3-8*x^4)/(1+2*x^5-7*x+9*x^2+x^3-4*x^4). - Vladeta Jovovic, Jul 02 2003

A069317 Number of 13 X n binary arrays with a path of adjacent 1's from upper left corner to anywhere in right hand column.

Original entry on oeis.org

22369621, 128409116176, 771923890744731, 4770190643433011072, 30039462248781247552723, 191623912389094140723074272, 1233335138386307928872371551119, 7987403217621240109184116174886680, 51952942502260713728900637278760621953
Offset: 2

Views

Author

R. H. Hardin, Mar 14 2002

Keywords

Crossrefs

Cf. 2 X n A069306, 3 X n A069307, 4 X n A069308, 5 X n A069309, 6 X n A069310, 7 X n A069311, 8 X n A069312, 9 X n A069313, 10 X n A069314, 11 X n A069315, 12 X n A069316, 14 X n A069318, 15 X n A069319, 16 X n A069320, by columns A069294-A069305.

Extensions

More terms from Sean A. Irvine, Apr 26 2024

A069318 14 X n binary arrays with a path of adjacent 1's from upper left corner to anywhere in right hand column.

Original entry on oeis.org

89478485, 1027277763840, 12351638368337101, 152698472130740768840
Offset: 2

Views

Author

R. H. Hardin, Mar 14 2002

Keywords

Crossrefs

Cf. 2 X n A069306, 3 X n A069307, 4 X n A069308, 5 X n A069309, 6 X n A069310, 7 X n A069311, 8 X n A069312, 9 X n A069313, 10 X n A069314, 11 X n A069315, 12 X n A069316, 13 X n A069317, 15 X n A069319, 16 X n A069320, by columns A069294-A069305.

A069319 Number of 15 X n binary arrays with a path of adjacent 1's from upper left corner to anywhere in right hand column.

Original entry on oeis.org

357913941, 8218237436320, 197632881512065275, 4887273170271827787216
Offset: 2

Views

Author

R. H. Hardin, Mar 14 2002

Keywords

Crossrefs

Cf. 2 X n A069306, 3 X n A069307, 4 X n A069308, 5 X n A069309, 6 X n A069310, 7 X n A069311, 8 X n A069312, 9 X n A069313, 10 X n A069314, 11 X n A069315, 12 X n A069316, 13 X n A069317, 14 X n A069318, 16 X n A069320, by columns A069294-A069305.

A069295 Number of n X 4 binary arrays with a path of adjacent 1's from upper left corner to anywhere in right hand column.

Original entry on oeis.org

29, 581, 10269, 172143, 2816409, 45550691, 732630205, 11751896403, 188262802525, 3014016321451, 48238373155229, 771923890744731, 12351638368337101, 197632881512065275, 3162178031998196717
Offset: 2

Views

Author

R. H. Hardin, Mar 14 2002

Keywords

Crossrefs

Cf. n X 2 A002450, n X 3 A069294, n X 5 A069296, n X 6 A069297, n X 7 A069298, n X 8 A069299, n X 9 A069300, n X 10 A069301, n X 11 A069302, n X 12 A069303, n X 13 A069304, n X 14 A069305, read by rows A069306-A069320.

A069296 Number of n X 5 binary arrays with a path of adjacent 1's from upper left corner to anywhere in right hand column.

Original entry on oeis.org

70, 3070, 114344, 3958316, 132103824, 4324832140, 140129819328, 4514892704132, 145019645494844, 4650208682728432, 148975517675350528, 4770190643433011072, 152698472130740768840, 4887273170271827787216
Offset: 2

Views

Author

R. H. Hardin, Mar 14 2002

Keywords

Crossrefs

Cf. n X 2 A002450, n X 3 A069294, n X 4 A069295, n X 6 A069297, n X 7 A069298, n X 8 A069299, n X 9 A069300, n X 10 A069301, n X 11 A069302, n X 12 A069303, n X 13 A069304, n X 14 A069305, read by rows A069306-A069320.

A069297 Number of n X 6 binary arrays with a path of adjacent 1's from upper left corner to anywhere in right hand column.

Original entry on oeis.org

169, 16227, 1275129, 91369811, 6238756831, 414680716163, 27139451744971, 1760130435695027, 113542011614104379, 7301005843380595779, 468579743984737735163, 30039462248781247552723
Offset: 2

Views

Author

R. H. Hardin, Mar 14 2002

Keywords

Crossrefs

Cf. n X 2 A002450, n X 3 A069294, n X 4 A069295, n X 5 A069296, n X 7 A069298, n X 8 A069299, n X 9 A069300, n X 10 A069301, n X 11 A069302, n X 12 A069303, n X 13 A069304, n X 14 A069305, read by rows A069306-A069320.

Extensions

a(10)-a(13) from Sean A. Irvine, Apr 24 2024

A069298 Number of n X 7 binary arrays with a path of adjacent 1's from upper left corner to anywhere in right hand column.

Original entry on oeis.org

408, 85776, 14226710, 2112274668, 295545642334, 39959490285500, 5292500285670344, 692128295029569712, 89798972465698310480, 11592951743199556912876, 1491945234246315077238684, 191623912389094140723074272
Offset: 2

Views

Author

R. H. Hardin, Mar 14 2002

Keywords

Crossrefs

Cf. n X 2 A002450, n X 3 A069294, n X 4 A069295, n X 5 A069296, n X 6 A069297, n X 8 A069299, n X 9 A069300, n X 10 A069301, n X 11 A069302, n X 12 A069303, n X 13 A069304, n X 14 A069305, read by rows A069306-A069320.

Extensions

a(7)-a(13) from Sean A. Irvine, Apr 25 2024
Previous Showing 11-20 of 26 results. Next

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