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 11 results. Next

A285745 Number of n X 3 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.

Original entry on oeis.org

1, 8, 105, 550, 5105, 30918, 265920, 1773432, 14632372, 103605826, 834224969, 6128787272, 48666035225, 365893476096, 2883831290602, 22005412864334, 172812531531152, 1331535174196624, 10442072847350585, 80985489140322402
Offset: 1

Views

Author

R. H. Hardin, Apr 25 2017

Keywords

Comments

Column 3 of A285750.

Examples

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

Links

Crossrefs

Cf. A285750.

A285746 Number of n X 4 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.

Original entry on oeis.org

2, 44, 630, 8544, 125088, 1835412, 27339964, 410644956, 6209001966, 94379911740, 1441030936810, 22084845714940, 339564086313454, 5235658587223164, 80926601563138862, 1253589943179659024, 19456171723796564164
Offset: 1

Views

Author

R. H. Hardin, Apr 25 2017

Keywords

Comments

Column 4 of A285750.

Examples

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

Links

Crossrefs

Cf. A285750.

A285747 Number of n X 5 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.

Original entry on oeis.org

6, 150, 4850, 119506, 3640966, 101515318, 3077883556, 90409954434, 2751592992660, 82880894952670, 2536733201153036, 77454228451256600, 2383647319436407454, 73384273965571071952, 2269082578454361003697, 70246658028017329753966, 2180567501204831340993622
Offset: 1

Views

Author

R. H. Hardin, Apr 25 2017

Keywords

Examples

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

Links

Crossrefs

Column 5 of A285750.

A285748 Number of n X 6 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.

Original entry on oeis.org

12, 540, 31276, 1729212, 99685406, 5826888288, 345505561776, 20683003285236, 1247496214559062, 75696417871360268, 4615888774091221702, 282636062954942366016, 17366871309998173841404, 1070340278818744008980972
Offset: 1

Views

Author

R. H. Hardin, Apr 25 2017

Keywords

Comments

Column 6 of A285750.

Examples

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

Links

Crossrefs

Cf. A285750.

A285749 Number of n X 7 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.

Original entry on oeis.org

28, 2042, 250592, 25450414, 3020617824, 341001631140, 40895629554933, 4828422171183992, 584834466962677402, 70587405158150794666, 8620918536843418223386, 1053438370876757943161204
Offset: 1

Views

Author

R. H. Hardin, Apr 25 2017

Keywords

Comments

Column 7 of A285750.

Examples

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

Links

Crossrefs

Cf. A285750.

A285751 Number of 2 X n 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.

Original entry on oeis.org

0, 4, 8, 44, 150, 540, 2042, 7760, 29654, 114336, 442152, 1713832, 6655764, 25893236, 100873154, 393455752, 1536357188, 6005069488, 23492496948, 91979426392, 360391230046, 1413045432264, 5543910852492, 21763924972776, 85487754197390
Offset: 1

Views

Author

R. H. Hardin, Apr 25 2017

Keywords

Comments

Row 2 of A285750.

Examples

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

Links

Crossrefs

Cf. A285750.

A285752 Number of 3 X n 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.

Original entry on oeis.org

0, 14, 105, 630, 4850, 31276, 250592, 1727836, 13831303, 99330350, 789537708, 5828000730, 46064702150, 346391183886, 2727741658914, 20778683750294, 163289874109963, 1255321900392396, 9855914786067634, 76271581305888386
Offset: 1

Views

Author

R. H. Hardin, Apr 25 2017

Keywords

Comments

Row 3 of A285750.

Examples

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

Links

Crossrefs

Cf. A285750.

A285753 Number of 4 X n 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.

Original entry on oeis.org

0, 52, 550, 8544, 119506, 1729212, 25450414, 379892924, 5724356600, 86870686676, 1325147534394, 20298649626624, 312012262489322, 4809932665481580, 74334215199171600, 1151283153187656576, 17865166558629037394
Offset: 1

Views

Author

R. H. Hardin, Apr 25 2017

Keywords

Comments

Row 4 of A285750.

Examples

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

Links

Crossrefs

Cf. A285750.

A285754 Number of 5 X n 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.

Original entry on oeis.org

0, 206, 5105, 125088, 3640966, 99685406, 3020617824, 86939481532, 2666601331554, 79052897096336, 2437071630790169, 73583527506072928, 2276218136245984554, 69547330813342998878, 2157487582330157678600, 66455374887634153596624
Offset: 1

Views

Author

R. H. Hardin, Apr 25 2017

Keywords

Comments

Row 5 of A285750.

Examples

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

Links

Crossrefs

Cf. A285750.

A285755 Number of 6 X n 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.

Original entry on oeis.org

0, 772, 30918, 1835412, 101515318, 5826888288, 341001631140, 20250991427072, 1214918522385566, 73448543128729780, 4466607544580757916, 272919461712510446696, 16741533082231376611004, 1030356006542260685630544
Offset: 1

Views

Author

R. H. Hardin, Apr 25 2017

Keywords

Comments

Row 6 of A285750.

Examples

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

Links

Crossrefs

Cf. A285750.
Showing 1-10 of 11 results. Next

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