A280195 - cp's OEIS frontend

A280195 Expansion of 1/(1 - Sum_{k>=2} floor(1/omega(k))*x^k), where omega(k) is the number of distinct prime factors (A001221).

n	a(n)
0	1
1	0
2	1
3	1
4	2
5	3
6	4
7	8
8	11
9	19
10	28
11	47
12	72
13	116
14	182
15	289
16	460
17	724
18	1153
19	1820
20	2891
21	4572
22	7249
23	11482
24	18190
25	28821
26	45651
27	72338
28	114582
29	181549
30	287596
31	455647
32	721847
33	1143588
34	1811748
35	2870239
36	4547232
37	7203907
38	11412882
39	18080833
40	28644680
41	45380392
42	71894054
43	113898439
44	180443915
45	285869028
46	452888824
47	717490903
48	1136687237

[1, 0, 1, 1, 2, 3, 4, 8, 11, 19, 28, 47, 72, 116, 182, 289, 460, 724, 1153, 1820, 2891, 4572, 7249, 11482, 18190, 28821, 45651, 72338, 114582, 181549, 287596, 455647, 721847, 1143588, 1811748, 2870239, 4547232, 7203907, 11412882, 18080833, 28644680, 45380392, 71894054, 113898439, 180443915, 285869028, 452888824, 717490903, 1136687237]

cp's OEIS Frontend

A280195 Expansion of 1/(1 - Sum_{k>=2} floor(1/omega(k))*x^k), where omega(k) is the number of distinct prime factors (A001221).

Table of values

List of values