A236976 Number of (n+1)X(4+1) 0..3 arrays with the maximum plus the upper median minus the minimum of every 2X2 subblock equal

31008, 635960, 11850502, 255242808, 5254828598, 114693934002, 2439448423018, 53441614415488, 1152443005857246, 25269245393970820, 548706466507623764, 12032862619479024318, 262296231189706902516, 5751944328826780780568

Offset

1,1

Comments

Column 4 of A236979

Links

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

Example

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

Crossrefs

Sequence in context: A185802 A102328 A157111 * A143162 A256747 A090059

Adjacent sequences: A236973 A236974 A236975 * A236977 A236978 A236979

Keyword

nonn

Author

R. H. Hardin, Feb 02 2014

Status

approved