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A349099

a(n) is the permanent of the n X n matrix M(n) defined as M(n)[i,j] = i*j (mod n + 1).

1, 1, 5, 32, 1074, 12600, 1525292, 34078720, 4072850100, 263459065600, 106809546673488, 2254519427530752, 3172225081523720416, 210351382651302645760, 45654014718074873700000, 11122845097194072534155264, 18156837198112938091803999360, 795289872611524024920215715840

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OFFSET

0,3

COMMENTS

Det(M(n)) = 0 iff n = 4 or n > 5.

Rank(M(n)) = A088922(n+1).

Tr(M(n)) = A048153(n+1).

LINKS

Table of n, a(n) for n=0..17.

EXAMPLE

See A352620 for the examples of matrix M(n).

MAPLE