A085748 - cp's OEIS frontend

A085748 G.f.: 1/(1-G001190), where G001190 = x + x^2 + x^3 + 2x^4 + 3x^5 + ... is the g.f. for the Wedderburn-Etherington numbers A001190.

n	a(n)
0	1
1	1
2	2
3	4
4	9
5	20
6	46
7	106
8	248
9	582
10	1376
11	3264
12	7777
13	18581
14	44526
15	106936
16	257379
17	620577
18	1498788
19	3625026
20	8779271
21	21287278
22	51671864
23	125550018
24	305333281
25	743179460
26	1810290446
27	4412783988
28	10763786019
29	26271534125
30	64158771500
31	156769178340

[1, 1, 2, 4, 9, 20, 46, 106, 248, 582, 1376, 3264, 7777, 18581, 44526, 106936, 257379, 620577, 1498788, 3625026, 8779271, 21287278, 51671864, 125550018, 305333281, 743179460, 1810290446, 4412783988, 10763786019, 26271534125, 64158771500, 156769178340]

cp's OEIS Frontend

A085748 G.f.: 1/(1-G001190), where G001190 = x + x^2 + x^3 + 2x^4 + 3x^5 + ... is the g.f. for the Wedderburn-Etherington numbers A001190.

Table of values

List of values