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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A069383 Number of n X 8 binary arrays with a path of adjacent 1's from top row to bottom row.

Original entry on oeis.org

255, 58975, 12519345, 2541013617, 506544513343, 100193001007135, 19752116290408897, 3888492110032895921, 765068584835726823447, 150495460332124702700743, 29601436900513534956486417, 5822276945638780019957186657, 1145175890285973091225709069559
Offset: 1

Views

Author

R. H. Hardin, Mar 22 2002

Keywords

Crossrefs

Cf. 1 X n A000225, 2 X n A005061, n X 2 A001333, vertical path of 1 A069361-A069395, vertical paths of 0+1 A069396-A069416, vertical path of 1 not 0 A069417-A069428, no vertical paths A069429-A069447, no horizontal or vertical paths A069448-A069452.

Extensions

More terms from Sean A. Irvine, Apr 30 2024

A069384 Number of n X 9 binary arrays with a path of adjacent 1's from top row to bottom row.

Original entry on oeis.org

511, 242461, 105683341, 43843180113, 17792504911231, 7146486319870849, 2856738227918860537, 1139431807812280823353, 454016084146597129480639, 180827014727915133583355805, 72007238386097441302774324845, 28672084199736350940864453233905
Offset: 1

Views

Author

R. H. Hardin, Mar 22 2002

Keywords

Crossrefs

Cf. 1 X n A000225, 2 X n A005061, n X 2 A001333, vertical path of 1 A069361-A069395, vertical paths of 0+1 A069396-A069416, vertical path of 1 not 0 A069417-A069428, no vertical paths A069429-A069447, no horizontal or vertical paths A069448-A069452.

Extensions

More terms from Sean A. Irvine, Apr 30 2024

A069385 Number of n X 10 binary arrays with a path of adjacent 1's from top row to bottom row.

Original entry on oeis.org

1023, 989527, 882516857, 746691527217, 615793150236223, 501394148790682463, 405671453894948801169, 327195886636045773364289, 263496356226918378172858791, 212041997127527144580159558415, 170577316159214009818521435822905, 137200626549758017615769211506956897
Offset: 1

Views

Author

R. H. Hardin, Mar 22 2002

Keywords

Crossrefs

Cf. 1 X n A000225, 2 X n A005061, n X 2 A001333, vertical path of 1 A069361-A069395, vertical paths of 0+1 A069396-A069416, vertical path of 1 not 0 A069417-A069428, no vertical paths A069429-A069447, no horizontal or vertical paths A069448-A069452.

Extensions

More terms from Sean A. Irvine, Apr 30 2024

A069386 Number of n X 11 binary arrays with a path of adjacent 1's from top row to bottom row.

Original entry on oeis.org

2047, 4017157, 7308428597, 12588144461329, 21067276157958271, 34728307983514473409, 56797093221062281961353, 92506527736225809457497129, 150343681421865609328377897039, 244072929303780515911965529991989, 396017759826921556057184566557279157
Offset: 1

Views

Author

R. H. Hardin, Mar 22 2002

Keywords

Crossrefs

Cf. 1 X n A000225, 2 X n A005061, n X 2 A001333, vertical path of 1 A069361-A069395, vertical paths of 0+1 A069396-A069416, vertical path of 1 not 0 A069417-A069428, no vertical paths A069429-A069447, no horizontal or vertical paths A069448-A069452.

Extensions

More terms from Sean A. Irvine, Apr 30 2024

A069387 Number of n X 12 binary arrays with a path of adjacent 1's from top row to bottom row.

Original entry on oeis.org

4095, 16245775, 60131384705, 210502738714097, 714097521397778495, 2380826437768134741023, 7862987107940658832635809, 25834416752721407468468718385, 84641600245355780352751022513463, 276889755885138056467643815501003447, 905061607197623234620822097612564300097
Offset: 1

Views

Author

R. H. Hardin, Mar 22 2002

Keywords

Crossrefs

Cf. 1 X n A000225, 2 X n A005061, n X 2 A001333, vertical path of 1 A069361-A069395, vertical paths of 0+1 A069396-A069416, vertical path of 1 not 0 A069417-A069428, no vertical paths A069429-A069447, no horizontal or vertical paths A069448-A069452.

Extensions

More terms from Sean A. Irvine, Apr 30 2024

A069364 Number of 6 X n binary arrays with a path of adjacent 1's from top row to bottom row.

Original entry on oeis.org

1, 239, 29089, 2764991, 232824241, 18287614751, 1374273318721, 100193001007135, 7146486319870849, 501394148790682463, 34728307983514473409, 2380826437768134741023, 161857825276476548906497
Offset: 1

Views

Author

R. H. Hardin, Mar 22 2002

Keywords

Crossrefs

Cf. 1 X n A000225, 2 X n A005061, n X 2 A001333, vertical path of 1 A069361-A069395, vertical paths of 0+1 A069396-A069416, vertical path of 1 not 0 A069417-A069428, no vertical paths A069429-A069447, no horizontal or vertical paths A069448-A069452.

Extensions

a(9)-a(13) from Sean A. Irvine, Apr 29 2024

A069365 Number of 7 X n binary arrays with a path of adjacent 1's from top row to bottom row.

Original entry on oeis.org

1, 577, 153769, 30856705, 5388274121, 868972410929, 133267613878665, 19752116290408897, 2856738227918860537, 405671453894948801169, 56797093221062281961353, 7862987107940658832635809, 1078636993747832299068001753
Offset: 1

Views

Author

R. H. Hardin, Mar 22 2002

Keywords

Crossrefs

Cf. 1 X n A000225, 2 X n A005061, n X 2 A001333, vertical path of 1 A069361-A069395, vertical paths of 0+1 A069396-A069416, vertical path of 1 not 0 A069417-A069428, no vertical paths A069429-A069447, no horizontal or vertical paths A069448-A069452.

Extensions

a(7)-a(13) from Sean A. Irvine, Apr 29 2024

A069366 Number of 8 X n binary arrays with a path of adjacent 1's from top row to bottom row.

Original entry on oeis.org

1, 1393, 812849, 344356289, 124693133113, 41278350729313, 12913642307413193, 3888492110032895921, 1139431807812280823353, 327195886636045773364289, 92506527736225809457497129, 25834416752721407468468718385, 7143459701634079128687197933529
Offset: 1

Views

Author

R. H. Hardin, Mar 22 2002

Keywords

Crossrefs

Cf. 1 X n A000225, 2 X n A005061, n X 2 A001333, vertical path of 1 A069361-A069395, vertical paths of 0+1 A069396-A069416, vertical path of 1 not 0 A069417-A069428, no vertical paths A069429-A069447, no horizontal or vertical paths A069448-A069452.

Extensions

a(7)-a(13) from Sean A. Irvine, Apr 29 2024

A069367 Number of 9 X n binary arrays with a path of adjacent 1's from top row to bottom row.

Original entry on oeis.org

1, 3363, 4296863, 3842988975, 2885579381831, 1960665141991079, 1251002814214706415, 765068584835726823447, 454016084146597129480639, 263496356226918378172858791, 150343681421865609328377897039, 84641600245355780352751022513463, 47141832001173360326967315743610399
Offset: 1

Views

Author

R. H. Hardin, Mar 22 2002

Keywords

Crossrefs

Cf. 1 X n A000225, 2 X n A005061, n X 2 A001333, vertical path of 1 A069361-A069395, vertical paths of 0+1 A069396-A069416, vertical path of 1 not 0 A069417-A069428, no vertical paths A069429-A069447, no horizontal or vertical paths A069448-A069452.

Extensions

a(7)-a(13) from Sean A. Irvine, Apr 29 2024

A069368 Number of 10 X n binary arrays with a path of adjacent 1's from top row to bottom row.

Original entry on oeis.org

1, 8119, 22713981, 42887577455, 66776768695477, 93127506982471999, 121180225103268487525, 150495460332124702700743, 180827014727915133583355805, 212041997127527144580159558415, 244072929303780515911965529991989, 276889755885138056467643815501003447
Offset: 1

Views

Author

R. H. Hardin, Mar 22 2002

Keywords

Crossrefs

Cf. 1 X n A000225, 2 X n A005061, n X 2 A001333, vertical path of 1 A069361-A069395, vertical paths of 0+1 A069396-A069416, vertical path of 1 not 0 A069417-A069428, no vertical paths A069429-A069447, no horizontal or vertical paths A069448-A069452.

Extensions

a(6)-a(12) from Sean A. Irvine, Apr 29 2024
Previous Showing 21-30 of 91 results. Next