A126613 - cp's OEIS frontend

A126613 a(1)=1. a(n) = a(n-1) + (number of terms, from among terms a(1) through a(n-1), which are powers of primes {including 1}).

n	a(n)
1	1
2	2
3	4
4	7
5	11
6	16
7	22
8	28
9	34
10	40
11	46
12	52
13	58
14	64
15	71
16	79
17	88
18	97
19	107
20	118
21	129
22	140
23	151
24	163
25	176
26	189
27	202
28	215
29	228
30	241
31	255
32	269
33	284
34	299
35	314
36	329
37	344
38	359
39	375
40	391
41	407
42	423
43	439
44	456
45	473
46	490
47	507
48	524
49	541
50	559
51	577
52	596
53	615
54	634
55	653
56	673
57	694

[1, 2, 4, 7, 11, 16, 22, 28, 34, 40, 46, 52, 58, 64, 71, 79, 88, 97, 107, 118, 129, 140, 151, 163, 176, 189, 202, 215, 228, 241, 255, 269, 284, 299, 314, 329, 344, 359, 375, 391, 407, 423, 439, 456, 473, 490, 507, 524, 541, 559, 577, 596, 615, 634, 653, 673, 694]

cp's OEIS Frontend

A126613 a(1)=1. a(n) = a(n-1) + (number of terms, from among terms a(1) through a(n-1), which are powers of primes {including 1}).

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	7
5	11
6	16
7	22
8	28
9	34
10	40
11	46
12	52
13	58
14	64
15	71
16	79
17	88
18	97
19	107
20	118
21	129
22	140
23	151
24	163
25	176
26	189
27	202
28	215
29	228
30	241
31	255
32	269
33	284
34	299
35	314
36	329
37	344
38	359
39	375
40	391
41	407
42	423
43	439
44	456
45	473
46	490
47	507
48	524
49	541
50	559
51	577
52	596
53	615
54	634
55	653
56	673
57	694

n	a(n)
1	1
2	2
3	4
4	7
5	11
6	16
7	22
8	28
9	34
10	40
11	46
12	52
13	58
14	64
15	71
16	79
17	88
18	97
19	107
20	118
21	129
22	140
23	151
24	163
25	176
26	189
27	202
28	215
29	228
30	241
31	255
32	269
33	284
34	299
35	314
36	329
37	344
38	359
39	375
40	391
41	407
42	423
43	439
44	456
45	473
46	490
47	507
48	524
49	541
50	559
51	577
52	596
53	615
54	634
55	653
56	673
57	694

n	a(n)
1	1
2	2
3	4
4	7
5	11
6	16
7	22
8	28
9	34
10	40
11	46
12	52
13	58
14	64
15	71
16	79
17	88
18	97
19	107
20	118
21	129
22	140
23	151
24	163
25	176
26	189
27	202
28	215
29	228
30	241
31	255
32	269
33	284
34	299
35	314
36	329
37	344
38	359
39	375
40	391
41	407
42	423
43	439
44	456
45	473
46	490
47	507
48	524
49	541
50	559
51	577
52	596
53	615
54	634
55	653
56	673
57	694