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 1-10 of 12 results. Next

A293095 Number of n X 3 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

Original entry on oeis.org

0, 9, 48, 554, 3334, 30837, 202363, 1733660, 12139768, 99907487, 729039938, 5866737162, 43944684689, 349284676982, 2660349798813, 21006556689388, 161738436141669, 1272996087653588, 9871903975910464, 77596716393162478
Offset: 1

Views

Author

R. H. Hardin, Sep 30 2017

Keywords

Comments

Column 3 of A293100.

Examples

			Some solutions for n=4
..0..0..1. .0..0..1. .0..1..1. .1..1..0. .0..0..0. .1..0..0. .0..0..0
..0..1..0. .1..1..0. .0..1..0. .1..0..0. .0..1..1. .0..1..0. .1..0..0
..0..0..0. .0..0..0. .1..1..0. .0..1..0. .1..1..0. .0..0..1. .1..1..0
..1..1..1. .1..1..0. .0..1..0. .0..1..0. .1..0..0. .1..1..0. .0..1..0
		

Crossrefs

Cf. A293100.

A293096 Number of n X 4 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

Original entry on oeis.org

0, 42, 567, 8088, 115870, 1710994, 25504769, 383909610, 5821195059, 88774881168, 1360012227225, 20913114635864, 322580968736023, 4988786216140076, 77325995176393118, 1200887079044838246, 18681923365562958635
Offset: 1

Views

Author

R. H. Hardin, Sep 30 2017

Keywords

Comments

Column 4 of A293100.

Examples

			Some solutions for n=4
..0..1..1..1. .0..0..0..1. .0..0..0..1. .0..1..0..0. .0..0..0..0
..0..0..0..1. .0..0..1..1. .0..1..1..0. .0..1..1..0. .1..1..1..0
..0..0..1..0. .0..0..0..0. .0..1..0..1. .0..1..0..1. .1..0..1..0
..0..1..0..1. .1..1..1..0. .1..0..0..1. .1..0..1..0. .1..0..1..0
		

Crossrefs

Cf. A293100.

A293097 Number of n X 5 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

Original entry on oeis.org

0, 150, 3619, 114318, 3125547, 96199260, 2804027631, 85892871786, 2579471093496, 79165386206572, 2414473870996735, 74393395305521924, 2289463201811310969, 70829848364578443940, 2192557122492637558076, 68078551369044294704640
Offset: 1

Views

Author

R. H. Hardin, Sep 30 2017

Keywords

Comments

Column 5 of A293100.

Examples

			Some solutions for n=4
..0..1..1..0..0. .1..0..0..0..1. .0..1..0..0..0. .0..1..0..0..1
..0..0..0..0..1. .0..0..1..1..1. .1..0..0..0..0. .0..1..0..1..1
..0..0..0..0..1. .0..1..0..0..1. .1..1..0..1..0. .0..1..1..1..0
..1..0..1..1..1. .1..0..0..0..1. .0..1..0..1..1. .0..0..0..0..1
		

Crossrefs

Cf. A293100.

A293098 Number of n X 6 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

Original entry on oeis.org

1, 596, 29952, 1676740, 95603353, 5589631828, 331401441383, 19865025530414, 1200437139032383, 72998386107582912, 4461213464047265536, 273752317705189739006, 16854982420467382438565, 1040728596601470442374962
Offset: 1

Views

Author

R. H. Hardin, Sep 30 2017

Keywords

Comments

Column 6 of A293100.

Examples

			Some solutions for n=3
..0..0..0..1..0..0. .0..0..0..0..1..0. .1..0..0..0..1..1. .0..0..0..1..0..0
..0..0..0..1..1..1. .1..0..1..0..0..0. .1..1..0..0..1..1. .0..1..1..1..1..1
..0..0..0..0..1..0. .0..1..1..1..1..0. .0..0..0..1..1..0. .0..0..0..1..1..1
		

Crossrefs

Cf. A293100.

A293099 Number of n X 7 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

Original entry on oeis.org

3, 2220, 205195, 24773296, 2728695681, 328979478088, 38469698642410, 4665971856266714, 560706154294046909, 68470475134869958112, 8347937003432022928553, 1025774531240519319091628
Offset: 1

Views

Author

R. H. Hardin, Sep 30 2017

Keywords

Comments

Column 7 of A293100.

Examples

			Some solutions for n=2
..0..0..1..0..0..0..0. .0..0..0..1..0..0..0. .0..1..0..0..0..0..1
..0..0..1..0..1..1..1. .1..1..0..0..1..1..1. .0..1..0..0..1..1..1
		

Crossrefs

Cf. A293100.

A293101 Number of 2 X n 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

Original entry on oeis.org

0, 0, 9, 42, 150, 596, 2220, 8376, 31959, 121768, 465365, 1784742, 6865278, 26474028, 102325886, 396332796, 1538015240, 5978805044, 23278677150, 90767915948, 354389747119, 1385333740384, 5421345875519, 21237273165782, 83270840712919
Offset: 1

Views

Author

R. H. Hardin, Sep 30 2017

Keywords

Comments

Row 2 of A293100.

Examples

			Some solutions for n=4
..0..1..0..0. .0..1..1..0. .0..0..1..0. .0..0..1..1. .1..1..1..0
..0..0..0..1. .0..0..1..0. .0..0..1..0. .0..0..0..0. .0..0..0..0
		

Crossrefs

Cf. A293100.

A293102 Number of 3 X n 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

Original entry on oeis.org

0, 5, 48, 567, 3619, 29952, 205195, 1668655, 11923187, 95858790, 705043648, 5616676646, 42133302832, 333647307242, 2537702957116, 20021680973470, 153782369918531, 1210816646023012, 9365720486918309, 73671711375313024
Offset: 1

Views

Author

R. H. Hardin, Sep 30 2017

Keywords

Comments

Row 3 of A293100.

Examples

			Some solutions for n=4
..1..1..0..0. .0..1..0..0. .1..0..0..1. .0..1..0..0. .0..0..1..0
..0..0..1..1. .0..1..1..1. .0..1..0..1. .1..0..1..0. .1..1..1..0
..1..0..0..0. .0..0..1..0. .0..0..0..0. .0..1..0..1. .0..0..0..1
		

Crossrefs

Cf. A293100.

A293103 Number of 4 X n 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

Original entry on oeis.org

0, 30, 554, 8088, 114318, 1676740, 24773296, 370085158, 5573917456, 84505086146, 1288142241806, 19723300256104, 303110117057606, 4672886017374940, 72233860901133456, 1119204087096130496, 17376470515536487116
Offset: 1

Views

Author

R. H. Hardin, Sep 30 2017

Keywords

Comments

Row 4 of A293100.

Examples

			Some solutions for n=4
..1..0..0..1. .1..1..1..0. .1..1..1..0. .0..0..0..0. .0..1..0..0
..1..1..0..1. .1..0..0..0. .0..1..1..0. .0..1..0..1. .1..1..0..0
..0..0..0..0. .0..0..0..1. .0..0..0..1. .1..1..0..0. .0..1..0..1
..1..0..1..0. .0..0..0..0. .0..0..0..0. .0..1..0..1. .0..1..0..0
		

Crossrefs

Cf. A293100.

A293104 Number of 5 X n 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

Original entry on oeis.org

0, 126, 3334, 115870, 3125547, 95603353, 2728695681, 84096300083, 2479929517015, 76694626761338, 2307939427468880, 71529843693429266, 2180882286412943668, 67732692543466232241, 2083494574053247942753, 64842050919022586502567
Offset: 1

Views

Author

R. H. Hardin, Sep 30 2017

Keywords

Comments

Row 5 of A293100.

Examples

			Some solutions for n=4
..0..1..0..1. .1..1..0..0. .1..0..0..1. .1..0..0..0. .1..0..1..0
..0..1..0..1. .0..0..0..1. .0..1..0..0. .1..0..0..1. .1..1..1..0
..0..1..0..1. .0..0..0..1. .0..1..0..0. .1..0..0..0. .0..0..0..0
..0..1..1..0. .1..0..0..0. .1..1..0..0. .0..1..0..0. .0..1..0..1
..0..0..1..0. .1..1..0..0. .0..1..0..1. .0..1..1..1. .1..1..0..0
		

Crossrefs

Cf. A293100.

A293105 Number of 6 X n 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

Original entry on oeis.org

0, 520, 30837, 1710994, 96199260, 5589631828, 328979478088, 19603705394914, 1178814839256659, 71387656909124036, 4347717462205577512, 266011573509307925450, 16337878757403766119544, 1006670823452543129707514
Offset: 1

Views

Author

R. H. Hardin, Sep 30 2017

Keywords

Comments

Row 6 of A293100.

Examples

			Some solutions for n=3
..1..0..0. .0..0..0. .0..0..0. .1..0..1. .1..1..0. .0..1..1. .1..0..1
..0..0..0. .1..0..1. .1..1..0. .1..0..0. .0..0..0. .0..1..0. .0..0..0
..1..0..0. .1..1..0. .1..1..0. .0..0..0. .1..0..0. .0..0..1. .0..1..1
..1..0..1. .0..1..0. .1..0..1. .0..0..0. .0..1..1. .0..0..1. .0..0..0
..0..0..0. .0..0..1. .1..1..0. .0..0..1. .0..0..0. .1..0..0. .1..0..1
..0..1..1. .0..1..0. .0..0..0. .0..0..0. .1..1..1. .1..1..0. .0..1..1
		

Crossrefs

Cf. A293100.
Showing 1-10 of 12 results. Next