A309955 - cp's OEIS frontend

A309955 a(n) = [x^n] (1 + p(x))^n, where p(x) is the g.f. of A000040.

n	a(n)
0	1
1	2
2	10
3	59
4	362
5	2287
6	14707
7	95762
8	629386
9	4166627
10	27743445
11	185602188
12	1246543559
13	8399791922
14	56762121398
15	384513835219
16	2610322687850
17	17753944125159
18	120954505004605
19	825274753259894
20	5638438272353597
21	38569743775323134
22	264127692090124488

[1, 2, 10, 59, 362, 2287, 14707, 95762, 629386, 4166627, 27743445, 185602188, 1246543559, 8399791922, 56762121398, 384513835219, 2610322687850, 17753944125159, 120954505004605, 825274753259894, 5638438272353597, 38569743775323134, 264127692090124488]

cp's OEIS Frontend

A309955 a(n) = [x^n] (1 + p(x))^n, where p(x) is the g.f. of A000040.

Table of values

List of values