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A067221 Number of n X n 0..13 matrices with all row and column sums equal. +0
1
14, 196, 162722, 21592075596 (list; graph; listen)
OFFSET

1,1
CROSSREFS

Sequence in context: A086946 A007655 A001023 this_sequence A072533 A041085 A124239

Adjacent sequences: A067218 A067219 A067220 this_sequence A067222 A067223 A067224

KEYWORD

nonn

AUTHOR

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

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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