A298085 Number of n X 6 0..1 arrays with every element equal to 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero.
0, 13, 7, 76, 520, 2767, 11202, 66148, 385999, 2040394, 11280309, 63669582, 352938921, 1954934444, 10928716512, 60920261087, 339016489892, 1890631777955, 10543750377805, 58766637746893, 327645644514925, 1827099377713191
Offset: 1
Keywords
Examples
Some solutions for n=7 ..0..0..1..1..1..1. .0..0..1..1..1..1. .0..0..0..0..0..1. .0..1..1..1..0..0 ..0..1..0..0..0..1. .0..1..0..0..0..1. .0..1..1..0..1..1. .0..0..1..0..1..0 ..0..1..0..1..1..0. .0..1..1..0..1..0. .0..1..0..0..0..0. .0..1..1..1..0..1 ..1..0..1..1..0..0. .0..1..0..0..0..1. .0..0..0..0..1..0. .1..1..1..1..0..1 ..1..1..1..1..1..1. .0..0..0..0..1..0. .1..1..0..1..1..0. .1..0..0..0..0..1 ..1..0..1..1..0..1. .1..1..0..1..1..0. .0..1..0..0..1..0. .0..1..0..1..0..1 ..0..0..0..1..0..0. .1..1..0..0..0..0. .0..0..1..1..0..0. .0..0..1..0..1..1
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
Crossrefs
Cf. A298087.
Comments