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A029871
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Number of connected functions on n points with a loop of length 8.
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2
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1, 1, 6, 25, 104, 384, 1380, 4729, 15806, 51478, 164788, 519296, 1617066, 4983855, 15233671, 46235252, 139506803, 418838281, 1252174861, 3730058316, 11077154790, 32808815240, 96953599162, 285945645659, 841909040785, 2475184643011, 7267678432397, 21315839832323
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OFFSET
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8,3
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LINKS
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FORMULA
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"CIK[ 8 ]" (necklace, indistinct, unlabeled, 8 parts) transform of A000081.
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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