A299737 Number of nX5 0..1 arrays with every element equal to 0, 1, 2, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero.
16, 512, 11303, 280642, 6896530, 170243005, 4203272237, 103785926879, 2562713574885, 63279709651014, 1562532732365521, 38582817153962988, 952705725385867657, 23524674373682096884, 580882734290938810868
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..0..0..0..0. .0..0..0..0..0. .0..1..1..0..1. .0..1..1..0..1 ..0..0..0..0..0. .0..0..0..0..0. .0..0..1..1..0. .0..0..1..1..0 ..1..1..1..1..1. .1..1..1..1..1. .1..1..1..0..0. .1..1..1..0..1 ..1..0..0..0..0. .0..0..1..1..0. .1..0..0..0..1. .1..0..1..1..1
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
- R. H. Hardin, Empirical recurrence of order 79
Crossrefs
Cf. A299740.
Formula
Empirical recurrence of order 79 (see link above)
Comments