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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A189623 Number of 8Xn binary arrays without the pattern 0 1 0 diagonally, antidiagonally or horizontally.

Original entry on oeis.org

256, 65536, 2227333, 32031600, 783072552, 41236726541, 1785011303305, 52939317116118, 1481899787122910, 50278308247706514, 1860556623858510413, 63647690214269161385, 2037957253448016880897, 66466260524616890792281
Offset: 1

Views

Author

R. H. Hardin Apr 24 2011

Keywords

Comments

Row 8 of A189617

Examples

			Some solutions for 8X3
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..0..0..1....0..0..0....0..0..0....0..0..1....0..0..1....0..0..1....0..0..1
..1..0..0....0..0..0....1..1..0....0..1..1....1..0..1....1..0..1....1..1..0
..0..1..1....1..0..1....1..0..1....0..1..1....1..0..1....1..0..0....1..1..1
..1..0..0....0..0..0....0..0..0....1..0..1....1..0..0....0..1..1....1..0..1
..1..1..1....1..1..1....0..0..1....0..1..1....1..0..1....1..1..0....1..0..1
..1..1..1....1..1..1....0..0..1....0..0..0....0..1..1....0..0..1....0..0..0
..0..1..1....1..0..0....1..1..1....1..0..1....1..1..0....1..0..0....0..0..0

Links

A189611 Number of n X n binary arrays without the pattern 0 1 0 diagonally, antidiagonally or horizontally.

Original entry on oeis.org

2, 16, 292, 8496, 532565, 118571483, 61652076124, 52939317116118, 90112326418652948, 433430536108638364008, 5597804841379220076966699
Offset: 1

Views

Author

R. H. Hardin Apr 24 2011

Keywords

Comments

Diagonal of A189617.

Examples

			Some solutions for 3 X 3
..1..0..0....1..0..0....1..0..0....0..0..1....1..0..1....0..1..1....1..1..1
..0..0..1....0..0..0....0..0..0....0..1..1....0..1..1....1..1..1....1..0..1
..0..0..0....1..1..0....0..1..1....1..0..1....0..0..0....1..1..1....0..0..0

Crossrefs

Cf. A189617.
Previous Showing 11-12 of 12 results.

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