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
Keywords
Examples
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
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)
Comments