A249162 - cp's OEIS frontend

A249162 Square array A(p, b) read by antidiagonals in which rows are indexed by successive prime numbers p_i and row b(p_i) gives the smallest prime base b_n to which q = (p_i, b_(n-1)) is a Wieferich prime.

n	a(n)
1	2
2	5
3	3
4	7
5	17
6	5
7	19
8	131
9	7
10	7
11	127
12	659
13	19
14	19
15	11
16	911
17	503
18	127
19	127
20	3
21	13
22	7331
23	9833
24	911
25	911
26	17
27	19
28	17
29	167149
30	49603
31	7331
32	7331
33	131
34	127
35	131
36	19
37	387749
38	327317
39	167149
40	167149
41	659
42	911
43	659
44	127
45	23
46	17153317
47	13900147
48	387749
49	387749
50	503

[2, 5, 3, 7, 17, 5, 19, 131, 7, 7, 127, 659, 19, 19, 11, 911, 503, 127, 127, 3, 13, 7331, 9833, 911, 911, 17, 19, 17, 167149, 49603, 7331, 7331, 131, 127, 131, 19, 387749, 327317, 167149, 167149, 659, 911, 659, 127, 23, 17153317, 13900147, 387749, 387749, 503]

cp's OEIS Frontend

A249162 Square array A(p, b) read by antidiagonals in which rows are indexed by successive prime numbers p_i and row b(p_i) gives the smallest prime base b_n to which q = (p_i, b_(n-1)) is a Wieferich prime.

Table of values

List of values