A298967 Number of n X 5 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero.
16, 512, 11283, 280468, 6892031, 170137416, 4200575252, 103715870545, 2560893666570, 63232497527110, 1561310446894473, 38551239404752239, 951891497499265483, 23503717252026765272, 580344217887313443874
Offset: 1
Keywords
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 ..0..1..0..0..1. .0..0..1..0..1. .0..1..0..1..1. .0..0..1..1..0 ..0..1..1..0..1. .1..1..0..1..0. .1..0..1..1..1. .0..1..1..0..0 ..0..1..0..1..1. .0..0..1..0..0. .1..1..0..1..0. .1..0..1..1..1 ..1..0..0..0..1. .1..0..0..1..1. .0..1..0..1..1. .0..0..1..1..0
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
- R. H. Hardin, Empirical recurrence of order 75
Crossrefs
Cf. A298970.
Formula
Empirical recurrence of order 75 (see link above).
Comments