A096460 - cp's OEIS frontend

A096460 a(1) = 1, a(2) = 2; for n >= 2, a(n+1) = a(n) + sum of the unique prime factors of a(n).

n	a(n)
1	1
2	2
3	4
4	6
5	11
6	22
7	35
8	47
9	94
10	143
11	167
12	334
13	503
14	1006
15	1511
16	3022
17	4535
18	5447
19	5879
20	11758
21	17639
22	18239
23	18336
24	18532
25	18688
26	18763
27	19439
28	22223
29	22607
30	22704
31	22763
32	22896
33	22954
34	23478
35	23546
36	23802
37	27774
38	29322
39	29508
40	31972
41	39967

[1, 2, 4, 6, 11, 22, 35, 47, 94, 143, 167, 334, 503, 1006, 1511, 3022, 4535, 5447, 5879, 11758, 17639, 18239, 18336, 18532, 18688, 18763, 19439, 22223, 22607, 22704, 22763, 22896, 22954, 23478, 23546, 23802, 27774, 29322, 29508, 31972, 39967]

cp's OEIS Frontend

A096460 a(1) = 1, a(2) = 2; for n >= 2, a(n+1) = a(n) + sum of the unique prime factors of a(n).

Table of values

List of values