A236253 Number of (n+1)X(3+1) 0..3 arrays colored with the maximum plus the upper median plus the lower median of every 2X2 subblock

40120, 3307762, 270817218, 22624359354, 1882056542771, 156211259916826, 12976742344240838, 1078575251562083482, 89617893548204957822, 7445722762610445345272, 618663333785511156307659

Offset

1,1

Comments

Column 3 of A236254

Links

R. H. Hardin, Table of n, a(n) for n = 1..53

Example

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

Crossrefs

Sequence in context: A031645 A250079 A237238 * A076778 A172863 A159720

Adjacent sequences: A236250 A236251 A236252 * A236254 A236255 A236256

Keyword

nonn

Author

R. H. Hardin, Jan 21 2014

Status

approved