A291698 - cp's OEIS frontend

A291698 a(n) = [x^n] Product_{k>=1} (1 + n*x^k).

n	a(n)
0	1
1	1
2	2
3	12
4	20
5	55
6	294
7	497
8	1224
9	2520
10	14410
11	21912
12	54300
13	104286
14	220710
15	1105215
16	1697552
17	3839382
18	7356762
19	14873580
20	26275620
21	132112596
22	188666126
23	423247104
24	772560600
25	1535398150
26	2632049290
27	4975242048
28	21273166572
29	30649985160
30	64824339630
31	116604788800
32	223181224992

[1, 1, 2, 12, 20, 55, 294, 497, 1224, 2520, 14410, 21912, 54300, 104286, 220710, 1105215, 1697552, 3839382, 7356762, 14873580, 26275620, 132112596, 188666126, 423247104, 772560600, 1535398150, 2632049290, 4975242048, 21273166572, 30649985160, 64824339630, 116604788800, 223181224992]

cp's OEIS Frontend

A291698 a(n) = [x^n] Product_{k>=1} (1 + n*x^k).

Table of values

List of values