A340394 - cp's OEIS frontend

A340394 Base-independent home primes: the prime that is finally reached when you treat the prime factors of n in ascending order as digits of a number in base "greatest prime factor + 1" and repeat this until a prime is reached (a(n) = -1 if no prime is ever reached).

n	a(n)
2	2
3	3
4	41
5	5
6	11
7	7
8	41
9	23
10	17
11	11
12	43
13	13
14	23
15	23
16	3407
17	17
18	47
19	19
20	89
21	31
22	47
23	23
24	1279
25	47
26	41
27	223
28	151
29	29
30	167
31	31
32	431
33	47
34	53
35	47
36	367
37	37
38	59
39	71
40	521
41	41
42	263
43	43
44	359
45	131
46	71
47	47
48	683
49	223
50	107
51	71
52	433
53	53
54	191
55	71
56	11807
57	79
58	89
59	59
60	3023
61	61
62	167
63	223

[2, 3, 41, 5, 11, 7, 41, 23, 17, 11, 43, 13, 23, 23, 3407, 17, 47, 19, 89, 31, 47, 23, 1279, 47, 41, 223, 151, 29, 167, 31, 431, 47, 53, 47, 367, 37, 59, 71, 521, 41, 263, 43, 359, 131, 71, 47, 683, 223, 107, 71, 433, 53, 191, 71, 11807, 79, 89, 59, 3023, 61, 167, 223]

cp's OEIS Frontend

A340394 Base-independent home primes: the prime that is finally reached when you treat the prime factors of n in ascending order as digits of a number in base "greatest prime factor + 1" and repeat this until a prime is reached (a(n) = -1 if no prime is ever reached).

Table of values

List of values