login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

Number of bicolored cubic graphs on 2n unlabeled vertices with n vertices of each color.
1

%I #6 Mar 11 2023 18:26:23

%S 1,0,1,5,66,1071,27606,887305,34583357,1562797351,80177945542,

%T 4597212665432,291214532031215,20193430937073303,1521240318892230748,

%U 123711268485285686123,10801367759750192440520,1007762402877770768660697,100058924666668698411972015,10533938778032068908299390227,1172080056205294525370971027435

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

%C Adjacent vertices may have the same color.

%Y Central coefficients of A361361.

%Y Cf. A005638, A361406, A361410, A361411.

%K nonn

%O 0,4

%A _Andrew Howroyd_, Mar 11 2023