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A067215 Number of n X n 0..7 matrices with all row and column sums equal. 0
8, 64, 10088, 82112704 (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: A061586 A132545 A034376 * A202783 A307436 A067685

Adjacent sequences:  A067212 A067213 A067214 * A067216 A067217 A067218

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 20 2002

STATUS

approved

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Last modified August 19 08:17 EDT 2019. Contains 326115 sequences. (Running on oeis4.)