A296539 Number of n X 6 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 2 or 4 neighboring 1's.
1, 26, 254, 1554, 10734, 78660, 560942, 3987615, 28515358, 203892406, 1456644769, 10408749868, 74388848144, 531625780268, 3799304215218, 27152396258135, 194049997801018, 1386817640950191, 9911186585406690, 70832453927754955
Offset: 1
Keywords
Examples
Some solutions for n=6 ..1..1..0..0..1..0. .0..1..1..1..1..0. .0..0..1..1..1..0. .0..0..1..1..1..1 ..1..0..0..1..1..0. .0..1..1..1..0..0. .0..0..1..1..0..0. .0..1..0..0..0..1 ..0..1..0..0..0..0. .1..0..0..1..0..1. .1..1..0..1..0..0. .1..0..0..0..1..0 ..1..1..0..0..1..1. .1..0..0..1..1..1. .1..1..0..1..1..0. .1..1..0..1..0..0 ..0..0..1..0..1..0. .1..1..1..1..0..0. .1..1..1..1..0..1. .0..1..0..1..0..1 ..0..1..1..0..0..0. .0..0..1..0..0..0. .1..0..1..0..1..1. .0..1..1..0..1..1
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
Crossrefs
Cf. A296541.
Comments