A237476 Number of (n+1)X(3+1) 0..2 arrays with the maximum plus the lower median of every 2X2 subblock equal

1337, 19175, 273756, 4384979, 71061267, 1184249828, 19835148309, 334897261287, 5664023361820, 96038927867955, 1629266709180709, 27663889012946588, 469779214442404689, 7980081823399177753, 135560630371872893890

Offset

1,1

Comments

Column 3 of A237481

Links

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

R. H. Hardin, Empirical recurrence of order 73

Formula

Empirical recurrence of order 73 (see link above)

Example

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

Crossrefs

Sequence in context: A250946 A145494 A234264 * A206049 A239254 A233545

Adjacent sequences: A237473 A237474 A237475 * A237477 A237478 A237479

Keyword

nonn

Author

R. H. Hardin, Feb 08 2014

Status

approved