A232254 Number of (n+1)X(5+1) 0..2 arrays with every element both >= and <= some horizontal or antidiagonal neighbor

7673, 1532151, 304291873, 60698037193, 12109668893083, 2416017612073105, 482023848904207049, 96169442828409939321, 19186938393029860565803, 3828020581416314242352829, 763735269948266339544495123

Offset

1,1

Comments

Column 5 of A232257

Links

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

R. H. Hardin, Empirical recurrence of order 51

Formula

Empirical recurrence of order 51 (see link above)

Example

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

Crossrefs

Sequence in context: A205040 A252406 A145307 * A008774 A229508 A249204

Adjacent sequences: A232251 A232252 A232253 * A232255 A232256 A232257

Keyword

nonn

Author

R. H. Hardin, Nov 21 2013

Status

approved