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A007125 Number of connected strength-1 Eulerian graphs with n nodes, 2 of odd degree.
(Formerly M2865)
2

%I M2865 #9 Mar 30 2012 16:45:08

%S 0,1,1,3,10,44,274,2518,39159,1087472,56214536,5422178367,

%T 973901229150,325367339922914,202427527012666564,

%U 235111320292288931449,511328244516581761886211,2088977518516761768744519266

%N Number of connected strength-1 Eulerian graphs with n nodes, 2 of odd degree.

%D R. W. Robinson, personal communication.

%D R. W. Robinson, Numerical implementation of graph counting algorithms, AGRC Grant, Math. Dept., Univ. Newcastle, Australia, 1979.

%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

%H R. W. Robinson, <a href="/A007125/b007125.txt">Table of n, a(n) for n = 1..26</a>

%K nonn

%O 1,4

%A _N. J. A. Sloane_.

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Last modified April 23 12:44 EDT 2024. Contains 371913 sequences. (Running on oeis4.)