A237172 Number of (n+1)X(4+1) 0..3 arrays with the maximum minus the lower median of every 2X2 subblock equal.

79688, 5876404, 398902424, 30813347734, 2332744838828, 183424213259920, 14401855281551812, 1147828706260075822, 91649383589414574744, 7366774641329103774272, 593131535430116265913986

Offset

1,1

Comments

Column 4 of A237175

Links

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

Example

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

Crossrefs

Sequence in context: A103873 A252292 A238177 * A146324 A185473 A235075

Adjacent sequences: A237169 A237170 A237171 * A237173 A237174 A237175

Keyword

nonn

Author

R. H. Hardin, Feb 04 2014

Status

approved