A290329 - cp's OEIS frontend

A290329 Iterate the map x -> A289667(x) starting at n; sequence gives primes reached, or -1 if no prime is ever reached.

n	a(n)
2	2
3	3
4	71
5	5
6	71
7	7
8	71
9	11
10	23
11	11
12	5261
13	13
14	17
15	23
16	703455573449
17	17
18	703455573449
19	19
20	5261
21	71
22	703455573449
23	23
24	727
25	17
26	67
27	21544131687786037881228990839860266551231
28	79
29	29
30	21544131687786037881228990839860266551231
31	31
32	23
33	239
34	71
35	229
36	227
37	37
38	73

[2, 3, 71, 5, 71, 7, 71, 11, 23, 11, 5261, 13, 17, 23, 703455573449, 17, 703455573449, 19, 5261, 71, 703455573449, 23, 727, 17, 67, 21544131687786037881228990839860266551231, 79, 29, 21544131687786037881228990839860266551231, 31, 23, 239, 71, 229, 227, 37, 73]

cp's OEIS Frontend

A290329 Iterate the map x -> A289667(x) starting at n; sequence gives primes reached, or -1 if no prime is ever reached.

Table of values

List of values