A218576 - cp's OEIS frontend

A218576 G.f.: exp( Sum_{n>=1} x^n/n * Product_{k>=1} (1 + x^(nk)(1 + x^k)^n) ).

n	a(n)
0	1
1	1
2	2
3	4
4	7
5	14
6	25
7	44
8	79
9	137
10	237
11	408
12	689
13	1162
14	1946
15	3231
16	5342
17	8776
18	14340
19	23326
20	37758
21	60847
22	97670
23	156145
24	248697
25	394719
26	624343
27	984360
28	1547187
29	2424581
30	3788730
31	5904230
32	9176723
33	14226914
34	22002523
35	33947526
36	52258177
37	80268131
38	123028407

[1, 1, 2, 4, 7, 14, 25, 44, 79, 137, 237, 408, 689, 1162, 1946, 3231, 5342, 8776, 14340, 23326, 37758, 60847, 97670, 156145, 248697, 394719, 624343, 984360, 1547187, 2424581, 3788730, 5904230, 9176723, 14226914, 22002523, 33947526, 52258177, 80268131, 123028407]

cp's OEIS Frontend

A218576 G.f.: exp( Sum_{n>=1} x^n/n * Product_{k>=1} (1 + x^(nk)(1 + x^k)^n) ).

Table of values

List of values

cp's OEIS Frontend

A218576 G.f.: exp( Sum_{n>=1} x^n/n * Product_{k>=1} (1 + x^(n*k)*(1 + x^k)^n) ).

Table of values

List of values

A218576 G.f.: exp( Sum_{n>=1} x^n/n * Product_{k>=1} (1 + x^(nk)(1 + x^k)^n) ).