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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

a(n) = A007716(n) for n=0..7.

LINKS

Andrew Howroyd, Table of n, a(n) for n = 0..1000

CROSSREFS

Row 7 of A318795.

Cf. A002724, A053307, A053304.

Sequence in context: A318563 A052367 A052372 * A007716 A122948 A317800

Adjacent sequences: A052370 A052371 A052372 * A052374 A052375 A052376

KEYWORD

nonn

AUTHOR

Vladeta Jovovic, Mar 08 2000

STATUS

approved

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Last modified December 6 05:22 EST 2022. Contains 358594 sequences. (Running on oeis4.)