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A123544
Number of connected labeled 2-regular relations of order n.
+0
3
0, 0, 1, 6, 87, 1980, 66270, 3050460, 184716630, 14231775600, 1359481407480, 157694893448400, 21835679256606600, 3557942554594428000, 673941365091485290800, 146851484638349504613600
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.
AT&T Labs Research
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