A259523 Number of (n+1) X (7+1) 0..1 arrays with each 2 X 2 subblock having clockwise pattern 0000 0001 0011 0101 or 1111.

12096, 981092, 71482990, 5417785744, 407656116320, 30760063948568, 2319907090839600, 175002064330576058, 13200853335762678450, 995789443731005584732, 75115949821301822140996, 5666270721518268054510606

Offset

1,1

Comments

Column 7 of A259524.

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=1:
..1..0..1..1..0..1..1..0....0..0..0..0..1..1..0..1....1..1..0..1..1..0..1..1
..1..0..1..1..0..1..1..0....1..0..0..0..0..0..1..0....0..0..0..1..1..0..1..1

Crossrefs

Cf. A259524.

Sequence in context: A247688 A236726 A236701 * A037248 A008914 A257357

Adjacent sequences: A259520 A259521 A259522 * A259524 A259525 A259526

Keyword

nonn

Author

R. H. Hardin, Jun 29 2015

Status

approved