A001328 - cp's OEIS frontend

A001328 Number of equivalence classes of n-valued Post functions of 2 variables under action of semi-direct product of symmetric groups S_2 and S(2,n).

n	a(n)
2	6
3	438
4	3962646
5	10417184196975
6	9954761196199929077325
7	5057490251219818192322424165975972
8	1930587876541100645614895805509354549563927698736
9	746598793682620583344610283857629170831782164188262315836348333960

[6, 438, 3962646, 10417184196975, 9954761196199929077325, 5057490251219818192322424165975972, 1930587876541100645614895805509354549563927698736, 746598793682620583344610283857629170831782164188262315836348333960]

cp's OEIS Frontend

A001328 Number of equivalence classes of n-valued Post functions of 2 variables under action of semi-direct product of symmetric groups S_2 and S(2,n).

Table of values

List of values