A251379 Number of (n+1)X(6+1) 0..3 arrays with every 2X2 subblock summing to 5 6 or 7

6276040, 3140670344, 1734708707700, 1001823357589516, 590881254434212576, 352097102700390026500, 210879779184193148642264, 126625444296052306457411844, 76133296243658550084380537696

Offset

1,1

Comments

Column 6 of A251381

Links

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

Example

Some solutions for n=1
..0..2..0..2..2..2..2....0..0..2..3..1..2..2....0..0..2..1..0..3..0
..1..2..2..1..1..0..1....3..3..1..1..1..2..1....3..3..1..2..2..1..2

Crossrefs

Sequence in context: A186838 A204654 A138941 * A203894 A152070 A147531

Adjacent sequences: A251376 A251377 A251378 * A251380 A251381 A251382

Keyword

nonn

Author

R. H. Hardin, Dec 01 2014

Status

approved