A054574 - cp's OEIS frontend

A054574 Begin with n-th prime, add its prime divisors (itself), repeat until reach a new prime; sequence gives prime reached.

n	a(n)
1	23
2	11
3	17
4	23
5	47
6	41
7	53
8	59
9	71
10	89
11	167
12	113
13	269
14	131
15	167
16	191
17	179
18	227
19	239
20	263
21	251
22	239
23	251
24	269
25	293
26	431
27	311
28	359
29	383
30	383
31	383
32	479
33	479
34	419
35	449
36	881
37	2039
38	491
39	503
40	521
41	2039
42	659
43	2039
44	743
45	593
46	599
47	839
48	743
49	683
50	911
51	701
52	719
53	1103

[23, 11, 17, 23, 47, 41, 53, 59, 71, 89, 167, 113, 269, 131, 167, 191, 179, 227, 239, 263, 251, 239, 251, 269, 293, 431, 311, 359, 383, 383, 383, 479, 479, 419, 449, 881, 2039, 491, 503, 521, 2039, 659, 2039, 743, 593, 599, 839, 743, 683, 911, 701, 719, 1103]

cp's OEIS Frontend

A054574 Begin with n-th prime, add its prime divisors (itself), repeat until reach a new prime; sequence gives prime reached.

Table of values

List of values