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Number of bicolored cubic graphs on 2n unlabeled vertices.
2

%I #9 Mar 11 2023 19:48:28

%S 1,0,5,23,262,4775,126026,4315481,177939133,8486268015,457398466292,

%T 27442206452816,1812456359735759,130630783430897459,

%U 10200930403740584232,857888417749736680977,77299388952584465682198,7429004444540543143978901,758559920648248499878180973,82006219796827162656265186759,9357477001574426557631620060473

%N Number of bicolored cubic graphs on 2n unlabeled vertices.

%C Adjacent vertices may have the same color.

%F Euler transform of A361403.

%Y Row sums of A361361.

%Y Cf. A361403 (connected).

%K nonn

%O 0,3

%A _Andrew Howroyd_, Mar 10 2023