A223972 Number of nX5 0..2 arrays with rows and antidiagonals unimodal

86, 7396, 440628, 22935921, 1140963027, 55803232969, 2708281019793, 131014406127439, 6329626912147424, 305632588672082728, 14754359445820013164, 712195518319828970133, 34376429801121343195388

Offset

1,1

Comments

Column 5 of A223975

Links

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

R. H. Hardin, Empirical recurrence of order 43

Formula

Empirical recurrence of order 43 (see link above)

Example

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

Crossrefs

Sequence in context: A223722 A223828 A223786 * A321011 A093286 A093243

Adjacent sequences: A223969 A223970 A223971 * A223973 A223974 A223975

Keyword

nonn

Author

R. H. Hardin Mar 30 2013

Status

approved