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A267990
T(n,k) = Number of n X k arrays containing k copies of 0..n-1 with row sums and column sums nondecreasing.
5
1, 1, 1, 1, 4, 1, 1, 5, 21, 1, 1, 15, 145, 189, 1, 1, 21, 1122, 7477, 1941, 1, 1, 57, 7886, 425488, 760736, 28032, 1, 1, 85, 58446, 20924732, 399858087, 122958209, 448157, 1, 1, 220, 405196, 1102544770
OFFSET
1,5
COMMENTS
Table starts
.1......1.........1.........1........1..........1......1...1.1
.1......4.........5........15.......21.........57.....85.220
.1.....21.......145......1122.....7886......58446.405196
.1....189......7477....425488.20924732.1102544770
.1...1941....760736.399858087
.1..28032.122958209
.1.448157
.1
EXAMPLE
Some solutions for n=3, k=4
..0..0..2..1....1..0..2..0....0..0..0..2....0..0..1..1....0..1..0..2
..1..0..2..1....0..1..1..2....1..1..2..0....0..1..0..2....2..1..1..0
..1..2..0..2....1..2..0..2....1..2..1..2....2..1..2..2....0..1..2..2
CROSSREFS
Sequence in context: A114033 A334426 A209417 * A084061 A140262 A049702
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Jan 23 2016
STATUS
approved