A299437 - cp's OEIS frontend

A299437 G.f.: exp( Sum_{n>=1} A020696(n)/2 * x^n/n ), where A020696(n) = Product_{d|n} (d + 1).

n	a(n)
0	1
1	1
2	2
3	3
4	7
5	9
6	27
7	33
8	73
9	100
10	203
11	269
12	987
13	1163
14	2283
15	3234
16	6706
17	8812
18	21455
19	27211
20	55718
21	76055
22	147048
23	196483
24	533149
25	659549
26	1262531
27	1759301
28	3462333
29	4593487
30	10261739
31	13213278
32	25944342
33	35397849
34	66694451
35	89412873
36	209286231
37	266115126
38	499426529
39	689936238
40	1311854563
41	1750578063
42	3676669661
43	4787587399
44	9114353938
45	12427479022
46	22925519170

[1, 1, 2, 3, 7, 9, 27, 33, 73, 100, 203, 269, 987, 1163, 2283, 3234, 6706, 8812, 21455, 27211, 55718, 76055, 147048, 196483, 533149, 659549, 1262531, 1759301, 3462333, 4593487, 10261739, 13213278, 25944342, 35397849, 66694451, 89412873, 209286231, 266115126, 499426529, 689936238, 1311854563, 1750578063, 3676669661, 4787587399, 9114353938, 12427479022, 22925519170]

cp's OEIS Frontend

A299437 G.f.: exp( Sum_{n>=1} A020696(n)/2 * x^n/n ), where A020696(n) = Product_{d|n} (d + 1).

Table of values

List of values