A350961 - cp's OEIS frontend

A350961 a(n) = Sum_{k=1..n} 3^Omega(k).

n	a(n)
1	1
2	4
3	7
4	16
5	19
6	28
7	31
8	58
9	67
10	76
11	79
12	106
13	109
14	118
15	127
16	208
17	211
18	238
19	241
20	268
21	277
22	286
23	289
24	370
25	379
26	388
27	415
28	442
29	445
30	472
31	475
32	718
33	727
34	736
35	745
36	826
37	829
38	838
39	847
40	928
41	931
42	958
43	961
44	988
45	1015
46	1024
47	1027
48	1270
49	1279
50	1306
51	1315
52	1342
53	1345
54	1426
55	1435
56	1516
57	1525
58	1534
59	1537
60	1618

[1, 4, 7, 16, 19, 28, 31, 58, 67, 76, 79, 106, 109, 118, 127, 208, 211, 238, 241, 268, 277, 286, 289, 370, 379, 388, 415, 442, 445, 472, 475, 718, 727, 736, 745, 826, 829, 838, 847, 928, 931, 958, 961, 988, 1015, 1024, 1027, 1270, 1279, 1306, 1315, 1342, 1345, 1426, 1435, 1516, 1525, 1534, 1537, 1618]

cp's OEIS Frontend

A350961 a(n) = Sum_{k=1..n} 3^Omega(k).

Table of values

List of values