A285927 - cp's OEIS frontend

A285927 Expansion of (Product_{k>0} (1 - x^(3*k)) / (1 - x^k))^3 in powers of x.

n	a(n)
0	1
1	3
2	9
3	19
4	42
5	81
6	155
7	276
8	486
9	821
10	1368
11	2214
12	3541
13	5544
14	8586
15	13082
16	19740
17	29403
18	43414
19	63423
20	91935
21	132075
22	188418
23	266733
24	375232
25	524331
26	728514
27	1006216
28	1382604
29	1889739
30	2570719
31	3480420
32	4691682
33	6297102
34	8418252
35	11209347
36	14870970

[1, 3, 9, 19, 42, 81, 155, 276, 486, 821, 1368, 2214, 3541, 5544, 8586, 13082, 19740, 29403, 43414, 63423, 91935, 132075, 188418, 266733, 375232, 524331, 728514, 1006216, 1382604, 1889739, 2570719, 3480420, 4691682, 6297102, 8418252, 11209347, 14870970]

cp's OEIS Frontend

A285927 Expansion of (Product_{k>0} (1 - x^(3*k)) / (1 - x^k))^3 in powers of x.

Table of values

List of values