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A067218
Number of n X n 0..10 matrices with all row and column sums equal.
1
1, 11, 121, 48983, 1950230969, 7169135482380621, 2543060905110036322914145, 90495116991790689711315590295804971
OFFSET
0,2
CROSSREFS
Column k=10 of A202784.
Sequence in context: A216208 A110398 A176595 * A368114 A293805 A358697
KEYWORD
nonn,more
AUTHOR
R. H. Hardin, Feb 20 2002
EXTENSIONS
a(5)-a(7) from Sean A. Irvine, Dec 12 2023
a(0)=1 prepended by Andrew Howroyd, Oct 14 2024
STATUS
approved