A057459 - cp's OEIS frontend

A057459 a(n+1) = smallest prime p in the range a(n) < p < a(1)a(2)...a(n) such that p-1 divides a(1)a(2)...a(n); or if no such prime p exists, then a(n+1) = smallest prime > a(n).

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	23
7	31
8	43
9	47
10	67
11	71
12	139
13	211
14	283
15	311
16	331
17	431
18	463
19	659
20	683
21	691
22	863
23	947
24	967
25	1291
26	1303
27	1319
28	1367
29	1427
30	1699
31	1867
32	1979
33	1987
34	2011
35	2111
36	2131
37	2311
38	2531
39	3011
40	3083
41	4099
42	4423
43	4643
44	4691
45	4831
46	5171
47	5179
48	5683
49	5839

[2, 3, 5, 7, 11, 23, 31, 43, 47, 67, 71, 139, 211, 283, 311, 331, 431, 463, 659, 683, 691, 863, 947, 967, 1291, 1303, 1319, 1367, 1427, 1699, 1867, 1979, 1987, 2011, 2111, 2131, 2311, 2531, 3011, 3083, 4099, 4423, 4643, 4691, 4831, 5171, 5179, 5683, 5839]

cp's OEIS Frontend

A057459 a(n+1) = smallest prime p in the range a(n) < p < a(1)a(2)...a(n) such that p-1 divides a(1)a(2)...a(n); or if no such prime p exists, then a(n+1) = smallest prime > a(n).

Table of values

List of values

cp's OEIS Frontend

A057459 a(n+1) = smallest prime p in the range a(n) < p < a(1)*a(2)*...*a(n) such that p-1 divides a(1)*a(2)*...*a(n); or if no such prime p exists, then a(n+1) = smallest prime > a(n).

Table of values

List of values

A057459 a(n+1) = smallest prime p in the range a(n) < p < a(1)a(2)...a(n) such that p-1 divides a(1)a(2)...a(n); or if no such prime p exists, then a(n+1) = smallest prime > a(n).