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A201274
Number of n X 5 0..2 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.
2
1, 3, 16, 21, 199, 556, 442, 2827, 5680, 3651, 19960, 35039, 19820, 96084, 151800, 78205, 354360, 525467, 255143, 1089594, 1531163, 707770, 2908481, 3937393, 1758805, 6976823, 9145189, 3964264, 15328243, 19618905, 8309214, 31406219, 39327693, 16320584, 60602426
OFFSET
0,2
LINKS
Alois P. Heinz, Table of n, a(n) for n = 0..200 (terms n = 1..141 from R. H. Hardin)
EXAMPLE
Some solutions for n=6
..0..0..0..0..0....0..0..0..0..2....0..0..0..0..0....0..0..0..0..0
..0..1..1..1..1....0..0..0..1..2....0..0..0..0..0....0..1..1..1..2
..0..1..1..1..2....0..0..0..1..2....1..1..1..2..2....0..1..1..2..2
..0..1..2..2..2....1..1..1..1..2....1..1..1..2..2....0..1..1..2..2
..0..1..2..2..2....1..1..2..2..2....1..1..1..2..2....0..1..1..2..2
..0..1..2..2..2....1..1..2..2..2....1..2..2..2..2....0..1..2..2..2
CROSSREFS
Column 5 of A201277.
Sequence in context: A346072 A218625 A028687 * A375711 A101132 A153723
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 29 2011
EXTENSIONS
a(0)=1 prepended by Alois P. Heinz, Mar 18 2024
STATUS
approved