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A067222 Number of n X n 0..14 matrices with all row and column sums equal. +0
1
15, 225, 229503, 42980713761 (list; graph; listen)
OFFSET

1,1
CROSSREFS

Sequence in context: A012852 A001024 A012643 this_sequence A041422 A129836 A075262

Adjacent sequences: A067219 A067220 A067221 this_sequence A067223 A067224 A067225

KEYWORD

nonn

AUTHOR

Ron Hardin (rhh(AT)cadence.com), Feb 20 2002

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

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