A346621 - cp's OEIS frontend

A346621 a(n) = Sum_{ x <= n : omega(x) = 2 } x.

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	6
7	6
8	6
9	6
10	16
11	16
12	28
13	28
14	42
15	57
16	57
17	57
18	75
19	75
20	95
21	116
22	138
23	138
24	162
25	162
26	188
27	188
28	216
29	216
30	216
31	216
32	216
33	249
34	283
35	318
36	354
37	354
38	392
39	431
40	471
41	471
42	471
43	471
44	515
45	560
46	606
47	606
48	654
49	654
50	704
51	755
52	807
53	807
54	861
55	916
56	972
57	1029
58	1087
59	1087
60	1087

[0, 0, 0, 0, 0, 6, 6, 6, 6, 16, 16, 28, 28, 42, 57, 57, 57, 75, 75, 95, 116, 138, 138, 162, 162, 188, 188, 216, 216, 216, 216, 216, 249, 283, 318, 354, 354, 392, 431, 471, 471, 471, 471, 515, 560, 606, 606, 654, 654, 704, 755, 807, 807, 861, 916, 972, 1029, 1087, 1087, 1087]

cp's OEIS Frontend

A346621 a(n) = Sum_{ x <= n : omega(x) = 2 } x.

Table of values

List of values