A237304 Number of (n+1)X(4+1) 0..2 arrays with the upper median of every 2X2 subblock equal

11545, 731603, 36167196, 2009833839, 108105728913, 5924015749908, 323852801203185, 17797884221279895, 979940420164198756, 54116978406732931481, 2995382013831030838387, 166182009687453552493022

Offset

1,1

Comments

Column 4 of A237308

Links

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

R. H. Hardin, Empirical recurrence of order 87

Formula

Empirical recurrence of order 87 (see link above)

Example

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

Crossrefs

Sequence in context: A258561 A362216 A063061 * A292039 A361031 A031862

Adjacent sequences: A237301 A237302 A237303 * A237305 A237306 A237307

Keyword

nonn

Author

R. H. Hardin, Feb 06 2014

Status

approved