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A052373
Number of nonnegative integer 7 X 7 matrices with sum of elements equal to n, under row and column permutations.
3
1, 1, 4, 10, 33, 91, 298, 910, 2974, 9655, 32287, 108274, 367489, 1246921, 4229171, 14246120, 47542245, 156588539, 507914513, 1618965097, 5064384168, 15531406244, 46670874679, 137372332583, 396053582039, 1118577433593
OFFSET
0,3
COMMENTS
a(n) = A007716(n) for n=0..7.
LINKS
CROSSREFS
Row 7 of A318795.
Sequence in context: A318563 A052367 A052372 * A007716 A122948 A317800
KEYWORD
nonn
AUTHOR
Vladeta Jovovic, Mar 08 2000
STATUS
approved