A281715 -id:A281715 - cp's OEIS frontend

A281721 Number of 7Xn 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.

64, 22, 30, 1625, 10738, 142023, 1721319, 18779855, 230037168, 2667856089, 31098469537, 368912116468, 4299998362349, 50615320723942, 594638970383925, 6971797426746210, 81973100282054094, 962121842116973906

Offset: 1

R. H. Hardin, Jan 28 2017

nonn

Row 7 of A281715.

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

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

Cf. A281715.

A281709 Number of n X n 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.

Original entry on oeis.org

1, 3, 8, 97, 937, 29849, 1721319, 178547832, 41247350230, 17968646792801

Offset: 1

R. H. Hardin, Jan 28 2017

nonn

Diagonal of A281715.

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

Cf. A281715.

cp's OEIS Frontend

A281721 Number of 7Xn 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.

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