A206138 - cp's OEIS frontend

A206138 G.f.: A(x) = Sum_{n>=0} x^(n*(n+1)/2) / Product_{k=1..n} (1-x^k)^k.

n	a(n)
0	1
1	1
2	1
3	2
4	2
5	4
6	5
7	8
8	10
9	17
10	21
11	32
12	44
13	62
14	86
15	122
16	164
17	230
18	318
19	428
20	591
21	803
22	1088
23	1467
24	1995
25	2665
26	3596
27	4800
28	6430
29	8552
30	11416
31	15093
32	20062
33	26487
34	34988
35	46035
36	60626
37	79490
38	104278
39	136337
40	178189
41	232331
42	302724
43	393493
44	511165
45	662775
46	858380

[1, 1, 1, 2, 2, 4, 5, 8, 10, 17, 21, 32, 44, 62, 86, 122, 164, 230, 318, 428, 591, 803, 1088, 1467, 1995, 2665, 3596, 4800, 6430, 8552, 11416, 15093, 20062, 26487, 34988, 46035, 60626, 79490, 104278, 136337, 178189, 232331, 302724, 393493, 511165, 662775, 858380]

cp's OEIS Frontend

A206138 G.f.: A(x) = Sum_{n>=0} x^(n*(n+1)/2) / Product_{k=1..n} (1-x^k)^k.

Table of values

List of values