A293548 - cp's OEIS frontend

A293548 Expansion of Product_{k>=2} 1/(1 - x^k)^omega(k), where omega(k) is the number of distinct primes dividing k (A001221).

n	a(n)
0	1
1	0
2	1
3	1
4	2
5	2
6	5
7	4
8	8
9	9
10	15
11	16
12	28
13	29
14	46
15	54
16	77
17	90
18	131
19	150
20	211
21	251
22	337
23	401
24	540
25	637
26	839
27	1006
28	1296
29	1551
30	1995
31	2373
32	3013
33	3610
34	4523
35	5410
36	6754
37	8045
38	9965
39	11897
40	14614
41	17410
42	21313
43	25316
44	30816
45	36615
46	44307
47	52539
48	63387
49	74975
50	90078

[1, 0, 1, 1, 2, 2, 5, 4, 8, 9, 15, 16, 28, 29, 46, 54, 77, 90, 131, 150, 211, 251, 337, 401, 540, 637, 839, 1006, 1296, 1551, 1995, 2373, 3013, 3610, 4523, 5410, 6754, 8045, 9965, 11897, 14614, 17410, 21313, 25316, 30816, 36615, 44307, 52539, 63387, 74975, 90078]

cp's OEIS Frontend

A293548 Expansion of Product_{k>=2} 1/(1 - x^k)^omega(k), where omega(k) is the number of distinct primes dividing k (A001221).

Table of values

List of values