A231523 -id:A231523 - cp's OEIS frontend

A231529 Number of 7Xn 0..1 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors.

128, 601, 91993, 4944075, 219937967, 11683058939, 697702378939, 39639857805660, 2168242419232809, 119523107172621693, 6675143723570669657, 372528702513807442140, 20708551912511964424721, 1150766427307969724593210

Offset: 1

R. H. Hardin, Nov 10 2013

nonn

Row 7 of A231523

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

R. H. Hardin, Table of n, a(n) for n = 1..210

A231517 Number of n X n 0..1 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors.

Original entry on oeis.org

2, 10, 153, 7697, 1031105, 451200772, 697702378939, 3293112511839389, 46764849359077493872, 2109508899293218313962632

Offset: 1

R. H. Hardin, Nov 10 2013

nonn

Diagonal of A231523.

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

Cf. A231523.

cp's OEIS Frontend

A231529 Number of 7Xn 0..1 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors.

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