A003083 - cp's OEIS frontend

A003083 Sum a(n) x^n / n = log (1 + Sum g(n) x^n ), where g(n) is # graphs on n nodes (A000088).

n	a(n)
1	1
2	3
3	7
4	27
5	106
6	681
7	5972
8	88963
9	2349727
10	117165818
11	11073706216
12	1968717966417
13	654366802299848
14	406048824479878828
15	470960717141418629512
16	1023512961811602818909395
17	4179821138595428450831985657
18	32171971054480183600023612728841

[1, 3, 7, 27, 106, 681, 5972, 88963, 2349727, 117165818, 11073706216, 1968717966417, 654366802299848, 406048824479878828, 470960717141418629512, 1023512961811602818909395, 4179821138595428450831985657, 32171971054480183600023612728841]

cp's OEIS Frontend

A003083 Sum a(n) x^n / n = log (1 + Sum g(n) x^n ), where g(n) is # graphs on n nodes (A000088).

Table of values

List of values