A235959 Number of (n+1)X(5+1) 0..1 arrays with the difference of the upper and lower median value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise

1076, 13346, 137988, 1340034, 12412248, 112308598, 997114552, 8749889970, 76070757246, 657191443192, 5649850292388, 48403715527716, 413591715978686, 3527265823317484, 30038535315072212, 255543128449733234

Offset

1,1

Comments

Column 5 of A235962

Links

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

R. H. Hardin, Empirical recurrence of order 67

Formula

Empirical recurrence of order 67 (see link above)

Example

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

Crossrefs

Sequence in context: A031779 A336781 A237213 * A235570 A278652 A235084

Adjacent sequences: A235956 A235957 A235958 * A235960 A235961 A235962

Keyword

nonn

Author

R. H. Hardin, Jan 17 2014

Status

approved