A205476 - cp's OEIS frontend

A205476 G.f.: exp( Sum_{n>=1} (x^n/n) * Product_{d|n} (1 + n*x^d/d) ).

n	a(n)
0	1
1	1
2	2
3	3
4	5
5	8
6	12
7	20
8	28
9	45
10	65
11	101
12	148
13	221
14	316
15	469
16	673
17	969
18	1420
19	2025
20	2892
21	4100
22	5905
23	8314
24	11860
25	16645
26	23399
27	32838
28	46071
29	64274
30	89761
31	124977
32	173231
33	240492
34	332978
35	460015
36	634271
37	874464
38	1200463
39	1649499
40	2263102
41	3098661
42	4239109

[1, 1, 2, 3, 5, 8, 12, 20, 28, 45, 65, 101, 148, 221, 316, 469, 673, 969, 1420, 2025, 2892, 4100, 5905, 8314, 11860, 16645, 23399, 32838, 46071, 64274, 89761, 124977, 173231, 240492, 332978, 460015, 634271, 874464, 1200463, 1649499, 2263102, 3098661, 4239109]

cp's OEIS Frontend

A205476 G.f.: exp( Sum_{n>=1} (x^n/n) * Product_{d|n} (1 + n*x^d/d) ).

Table of values

List of values