A223958 Number of nX5 0..3 arrays with antidiagonals unimodal and rows and diagonals nondecreasing.
56, 1876, 36028, 594286, 9779558, 163752797, 2772658693, 47273211674, 809416786834, 13894273785956, 238867008057298, 4110191305837227, 70761275087518799, 1218613301433676245, 20990363391641556709
Offset: 1
Keywords
Examples
Some solutions for n=3 ..0..0..0..3..3....0..1..1..2..2....0..1..1..1..1....0..0..0..0..3 ..0..0..2..3..3....1..2..3..3..3....0..1..1..2..3....0..0..2..3..3 ..1..2..3..3..3....1..3..3..3..3....0..1..2..2..2....0..1..1..2..3
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
- R. H. Hardin, Empirical recurrence of order 63
Formula
Empirical recurrence of order 63 (see link above)
Comments