A108511 - cp's OEIS frontend

A108511 a(n) is the smallest number m such that prime(m) = n*m - 1, or 0 if no such m exists.

n	a(n)
1	0
2	2
3	1
4	0
5	70
6	182
7	440
8	1053
9	0
10	6458
11	0
12	40087
13	0
14	251737
15	637320
16	1617173
17	4124466
18	10553445
19	27067100
20	69709705
21	179992910
22	465769811
23	0
24	3140421738
25	8179002128
26	21338685403
27	0
28	0
29	382465573528
30	0
31	0
32	6935812012545
33	18262325820324
34	0
35	0
36	335276334036937

[0, 2, 1, 0, 70, 182, 440, 1053, 0, 6458, 0, 40087, 0, 251737, 637320, 1617173, 4124466, 10553445, 27067100, 69709705, 179992910, 465769811, 0, 3140421738, 8179002128, 21338685403, 0, 0, 382465573528, 0, 0, 6935812012545, 18262325820324, 0, 0, 335276334036937]

cp's OEIS Frontend

A108511 a(n) is the smallest number m such that prime(m) = n*m - 1, or 0 if no such m exists.

Table of values

List of values