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A067218 Number of n X n 0..10 matrices with all row and column sums equal. 0
11, 121, 48983, 1950230969 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..4.

CROSSREFS

Sequence in context: A216208 A110398 A176595 * A049666 A163462 A041222

Adjacent sequences:  A067215 A067216 A067217 * A067219 A067220 A067221

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 20 2002

STATUS

approved

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Last modified December 21 08:32 EST 2014. Contains 252299 sequences.