A280366 - cp's OEIS frontend

A280366 G.f.: Product_{k>=1} (1 + x^(k(k+1)/2)) / (1 - x^(k(k+1)/2)).

n	a(n)
0	1
1	2
2	2
3	4
4	6
5	6
6	10
7	14
8	14
9	20
10	28
11	30
12	38
13	50
14	54
15	66
16	86
17	94
18	110
19	138
20	152
21	178
22	218
23	238
24	274
25	330
26	362
27	412
28	488
29	534
30	602
31	710
32	778
33	864
34	1006
35	1102
36	1220
37	1410
38	1542
39	1696
40	1940
41	2122
42	2328
43	2638
44	2878
45	3148
46	3550
47	3870
48	4214
49	4722
50	5136
51	5580
52	6230

[1, 2, 2, 4, 6, 6, 10, 14, 14, 20, 28, 30, 38, 50, 54, 66, 86, 94, 110, 138, 152, 178, 218, 238, 274, 330, 362, 412, 488, 534, 602, 710, 778, 864, 1006, 1102, 1220, 1410, 1542, 1696, 1940, 2122, 2328, 2638, 2878, 3148, 3550, 3870, 4214, 4722, 5136, 5580, 6230]

cp's OEIS Frontend

A280366 G.f.: Product_{k>=1} (1 + x^(k(k+1)/2)) / (1 - x^(k(k+1)/2)).

Table of values

List of values

cp's OEIS Frontend

A280366 G.f.: Product_{k>=1} (1 + x^(k*(k+1)/2)) / (1 - x^(k*(k+1)/2)).

Table of values

List of values

A280366 G.f.: Product_{k>=1} (1 + x^(k(k+1)/2)) / (1 - x^(k(k+1)/2)).