A318026 - cp's OEIS frontend

A318026 Expansion of Product_{k>=1} 1/((1 - x^k)(1 - x^(3k))).

n	a(n)
0	1
1	1
2	2
3	4
4	6
5	9
6	16
7	22
8	33
9	50
10	70
11	98
12	143
13	193
14	266
15	368
16	493
17	659
18	892
19	1170
20	1543
21	2035
22	2642
23	3422
24	4448
25	5694
26	7294
27	9334
28	11839
29	14982
30	18968
31	23812
32	29868
33	37410
34	46598
35	57924
36	71953
37	88913
38	109728
39	135212
40	165991
41	203407
42	248986
43	303706
44	369939
45	449967
46	545820
47	661038
48	799629

[1, 1, 2, 4, 6, 9, 16, 22, 33, 50, 70, 98, 143, 193, 266, 368, 493, 659, 892, 1170, 1543, 2035, 2642, 3422, 4448, 5694, 7294, 9334, 11839, 14982, 18968, 23812, 29868, 37410, 46598, 57924, 71953, 88913, 109728, 135212, 165991, 203407, 248986, 303706, 369939, 449967, 545820, 661038, 799629]

cp's OEIS Frontend

A318026 Expansion of Product_{k>=1} 1/((1 - x^k)(1 - x^(3k))).

Table of values

List of values

cp's OEIS Frontend

A318026 Expansion of Product_{k>=1} 1/((1 - x^k)*(1 - x^(3*k))).

Table of values

List of values

A318026 Expansion of Product_{k>=1} 1/((1 - x^k)(1 - x^(3k))).