A237238 Number of (n+1)X(4+1) 0..3 arrays with the maximum plus the lower median minus the upper median minus the minimum of every 2X2 subblock equal.

40064, 853152, 19274172, 459119016, 11137777044, 278128391716, 6990394415904, 179301038336988, 4594600424879136, 119752730611783572, 3105297614948039160, 81825606349267966684, 2139714241242339347104, 56865117527802306088364

Offset

1,1

Comments

Column 4 of A237241

Links

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

Example

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

Crossrefs

Sequence in context: A126104 A031645 A250079 * A389952 A236253 A076778

Adjacent sequences: A237235 A237236 A237237 * A237239 A237240 A237241

Keyword

nonn

Author

R. H. Hardin, Feb 05 2014

Status

approved