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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A301846 Number of 6Xn 0..1 arrays with every element equal to 0, 1 or 2 horizontally or antidiagonally adjacent elements, with upper left element zero.

Original entry on oeis.org

32, 2048, 23909, 414385, 6196305, 97439921, 1518341751, 23681717605, 370162554361, 5783766875077, 90425278777100, 1414012375653788, 22113880913447546, 345860482462563671, 5409344555270493414
Offset: 1

Views

Author

R. H. Hardin, Mar 27 2018

Keywords

Comments

Row 6 of A301841.

Examples

			Some solutions for n=5
..0..0..0..0..0. .0..0..0..0..1. .0..0..0..0..0. .0..0..0..0..1
..1..1..1..0..1. .1..1..0..0..0. .1..1..1..1..0. .1..1..0..0..1
..0..1..1..0..1. .0..1..1..1..1. .0..0..1..0..1. .0..1..0..0..1
..0..1..0..0..1. .0..0..0..1..0. .0..1..0..0..1. .0..1..0..1..1
..0..1..0..1..0. .1..1..0..1..0. .0..1..0..1..0. .1..1..0..1..1
..1..0..1..1..1. .0..0..1..0..1. .0..1..0..1..1. .1..0..0..1..0

Links

Crossrefs

Cf. A301841.

A301847 Number of 7Xn 0..1 arrays with every element equal to 0, 1 or 2 horizontally or antidiagonally adjacent elements, with upper left element zero.

Original entry on oeis.org

64, 8192, 132971, 3518619, 77396422, 1812097252, 41966406867, 972282892539, 22595595313115, 524762543383531, 12194289128927894, 283431884166143510, 6588576515306179215, 153173958754721101279, 3561231247509661888958
Offset: 1

Views

Author

R. H. Hardin, Mar 27 2018

Keywords

Comments

Row 7 of A301841.

Examples

			Some solutions for n=5
..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0
..1..1..1..0..0. .1..1..1..0..0. .1..1..1..0..0. .1..1..1..0..0
..0..0..1..0..0. .0..0..1..0..0. .0..0..1..1..0. .0..0..1..1..0
..0..0..1..1..0. .0..0..1..1..0. .0..0..1..0..0. .0..0..0..0..1
..0..0..0..1..1. .0..0..0..1..0. .1..0..1..1..1. .1..1..1..0..0
..1..1..0..0..0. .1..0..1..0..1. .0..0..0..0..1. .0..0..1..1..0
..1..0..1..1..0. .0..1..1..1..0. .1..1..0..0..1. .0..0..1..1..1

Links

Crossrefs

Cf. A301841.
Previous Showing 11-12 of 12 results.

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