A025010 - cp's OEIS frontend

A025010 a(1) = 5; a(n+1) = a(n)-th nonprime, where nonprimes begin at 4.

n	a(n)
1	5
2	10
3	18
4	28
5	42
6	60
7	84
8	115
9	152
10	198
11	253
12	320
13	399
14	494
15	605
16	736
17	891
18	1072
19	1280
20	1521
21	1800
22	2120
23	2488
24	2910
25	3387
26	3934
27	4552
28	5250
29	6038
30	6929
31	7931
32	9057
33	10324
34	11733
35	13315
36	15076
37	17043
38	19224
39	21656
40	24361
41	27353
42	30660
43	34330
44	38382
45	42866

[5, 10, 18, 28, 42, 60, 84, 115, 152, 198, 253, 320, 399, 494, 605, 736, 891, 1072, 1280, 1521, 1800, 2120, 2488, 2910, 3387, 3934, 4552, 5250, 6038, 6929, 7931, 9057, 10324, 11733, 13315, 15076, 17043, 19224, 21656, 24361, 27353, 30660, 34330, 38382, 42866]

cp's OEIS Frontend

A025010 a(1) = 5; a(n+1) = a(n)-th nonprime, where nonprimes begin at 4.

Table of values

List of values