A281799 Number of nX5 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.
3, 157, 1725, 12318, 71445, 368408, 1770697, 8100180, 35778250, 153961577, 648808393, 2688490346, 10985899831, 44366461753, 177379460528, 703023818561, 2765216924694, 10803620128490, 41957868667589, 162081268856114
Offset: 1
Keywords
Examples
Some solutions for n=4 ..0..0..0..0..0. .0..0..1..0..1. .0..0..0..0..0. .0..0..0..0..0 ..1..1..1..0..1. .0..1..1..1..1. .0..1..0..1..0. .0..0..0..0..0 ..1..1..0..1..0. .0..0..1..1..0. .1..0..1..0..1. .1..1..1..1..1 ..1..0..1..0..1. .0..0..0..1..1. .1..1..0..1..1. .1..1..1..0..1
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
- R. H. Hardin, Empirical recurrence of order 72
Crossrefs
Cf. A281802.
Formula
Empirical recurrence of order 72 (see link above)
Comments