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A067223 Number of n X n 0..15 matrices with all row and column sums equal. 1
16, 256, 316624, 81851507456 (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: A204080 A223433 A223593 * A041113 A041482 A320362

Adjacent sequences:  A067220 A067221 A067222 * A067224 A067225 A067226

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 20 2002

STATUS

approved

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Last modified May 19 08:46 EDT 2022. Contains 353826 sequences. (Running on oeis4.)