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A028474
Number of perfect matchings in graph P_{12} X P_{n}.
+0
2
1, 233, 2131, 145601, 2332097, 106912793, 2188978117, 82741005829, 1937528668711, 65743732590821, 1666961188795475, 53060477521960000, 1412218550274852671, 43242613716069407953, 1185802123987680144427
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.
AT&T Labs Research
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