A306732 - cp's OEIS frontend

A306732 Expansion of Sum_{k>=0} x^(k(k+1)/2) Product_{j=1..k} (1 + j*x^j).

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	2
6	3
7	1
8	2
9	5
10	4
11	7
12	8
13	5
14	7
15	11
16	15
17	22
18	17
19	31
20	39
21	20
22	31
23	39
24	64
25	81
26	85
27	125
28	97
29	170
30	211
31	121
32	167
33	229
34	265
35	385
36	531
37	548
38	573
39	814
40	686
41	1150
42	1339
43	860
44	1131
45	1344
46	1888
47	2109
48	2780
49	3656
50	4127
51	4294
52	4498
53	6320
54	5568
55	8747
56	10260
57	6856
58	8673
59	10580

[1, 1, 1, 1, 1, 2, 3, 1, 2, 5, 4, 7, 8, 5, 7, 11, 15, 22, 17, 31, 39, 20, 31, 39, 64, 81, 85, 125, 97, 170, 211, 121, 167, 229, 265, 385, 531, 548, 573, 814, 686, 1150, 1339, 860, 1131, 1344, 1888, 2109, 2780, 3656, 4127, 4294, 4498, 6320, 5568, 8747, 10260, 6856, 8673, 10580]

cp's OEIS Frontend

A306732 Expansion of Sum_{k>=0} x^(k(k+1)/2) Product_{j=1..k} (1 + j*x^j).

Table of values

List of values

cp's OEIS Frontend

A306732 Expansion of Sum_{k>=0} x^(k*(k+1)/2) * Product_{j=1..k} (1 + j*x^j).

Table of values

List of values

A306732 Expansion of Sum_{k>=0} x^(k(k+1)/2) Product_{j=1..k} (1 + j*x^j).