A280254 - cp's OEIS frontend

A280254 Expansion of 1/(1 - Sum_{k>=1} x^p(k)), where p(k) is the number of partitions of k (A000041).

n	a(n)
0	1
1	1
2	2
3	4
4	7
5	14
6	26
7	50
8	95
9	180
10	343
11	652
12	1240
13	2358
14	4484
15	8528
16	16217
17	30840
18	58649
19	111532
20	212101
21	403352
22	767056
23	1458711
24	2774031
25	5275379
26	10032192
27	19078230
28	36281088
29	68995780
30	131209344
31	249520934
32	474514204
33	902384123
34	1716064761
35	3263442024
36	6206090863
37	11802129022
38	22444120219

[1, 1, 2, 4, 7, 14, 26, 50, 95, 180, 343, 652, 1240, 2358, 4484, 8528, 16217, 30840, 58649, 111532, 212101, 403352, 767056, 1458711, 2774031, 5275379, 10032192, 19078230, 36281088, 68995780, 131209344, 249520934, 474514204, 902384123, 1716064761, 3263442024, 6206090863, 11802129022, 22444120219]

cp's OEIS Frontend

A280254 Expansion of 1/(1 - Sum_{k>=1} x^p(k)), where p(k) is the number of partitions of k (A000041).

Table of values

List of values