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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, 4128449284755670956, 42503886964244001261643010752
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OFFSET
1,1
LINKS
Table of n, a(n) for n=1..6.
CROSSREFS
Sequence in context:
A204080
A223433
A223593
*
A041113
A363689
A041482
Adjacent sequences:
A067220
A067221
A067222
*
A067224
A067225
A067226
KEYWORD
nonn
,
more
AUTHOR
R. H. Hardin
, Feb 20 2002
EXTENSIONS
a(5)-a(6) from
Sean A. Irvine
, Dec 10 2023
STATUS
approved
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Last modified April 24 08:59 EDT 2024. Contains 371935 sequences. (Running on oeis4.)