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A233375
Number of (1+1)X(n+1) 0..2 arrays x(i,j) with row sums sum{x(i,j), j=1..n+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..1+1} nondecreasing.
1
28, 98, 286, 729, 1678, 3555, 7048, 13215, 23641, 40618, 67389, 108421, 169774, 259497, 388144, 569338, 820471, 1163461, 1625690, 2240996, 3050879, 4105789, 5466649, 7206472, 9412271, 12187059, 15652184, 19949789, 25245633, 31732052
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OFFSET
1,1
COMMENTS
Row 1 of
A233374
LINKS
R. H. Hardin,
Table of n, a(n) for n = 1..186
EXAMPLE
Some solutions for n=5
..1..0..1..1..1..1....0..0..1..1..1..2....0..2..2..0..1..1....1..1..1..1..0..1
..0..1..2..2..2..2....0..0..2..2..2..2....0..0..1..2..2..2....0..1..1..1..2..2
CROSSREFS
Sequence in context:
A211495
A233374
A231230
*
A219691
A212777
A130281
Adjacent sequences:
A233372
A233373
A233374
*
A233376
A233377
A233378
KEYWORD
nonn
AUTHOR
R. H. Hardin
, Dec 08 2013
STATUS
approved
