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A029871 Number of connected functions on n points with a loop of length 8. 2

%I #11 Dec 25 2020 13:04:19

%S 1,1,6,25,104,384,1380,4729,15806,51478,164788,519296,1617066,4983855,

%T 15233671,46235252,139506803,418838281,1252174861,3730058316,

%U 11077154790,32808815240,96953599162,285945645659,841909040785,2475184643011,7267678432397,21315839832323

%N Number of connected functions on n points with a loop of length 8.

%H Andrew Howroyd, <a href="/A029871/b029871.txt">Table of n, a(n) for n = 8..500</a>

%H C. G. Bower, <a href="/transforms2.html">Transforms</a>

%F "CIK[ 8 ]" (necklace, indistinct, unlabeled, 8 parts) transform of A000081.

%F a(n) ~ A187770 * A051491^n / n^(3/2). - _Vaclav Kotesovec_, Dec 25 2020

%Y Column 8 of A339428.

%K nonn

%O 8,3

%A _Christian G. Bower_

%E Terms a(32) and beyond from _Andrew Howroyd_, Dec 04 2020

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Last modified April 25 09:38 EDT 2024. Contains 371967 sequences. (Running on oeis4.)