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A054363
Number of unlabeled 5-ary cacti having n polygons.
+0
1
1, 1, 5, 15, 85, 510, 4051, 33130, 291925, 2661255, 25059670, 241724380, 2379912355
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.
AT&T Labs Research
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