A281001 - cp's OEIS frontend

A281001 Square array read by antidiagonals downwards: A(n, 1) = smallest Wieferich prime to base n and A(n, k) = smallest Wieferich prime to base A(n, k-1) for k > 1.

n	a(n)
2	1093
3	2
4	11
5	1093
6	71
7	1093
8	2
9	3
10	2
11	2
12	1093
13	11
14	1093
15	1093
16	66161
17	2
18	71
19	2
20	2
21	2
22	5
23	1093
24	3
25	1093
26	1093
27	1093
28	2
29	3
30	2
31	11
32	2
33	2
34	2
35	1093
36	11
37	2
38	1093
39	71
40	1093
41	1093
42	1093
43	2
44	71
45	1093
46	3
47	2
48	3
49	2
50	2
51	2
52	1093
53	3
54	2
55	11
56	71
57	1093
58	11
59	1093
60	1093
61	1093
62	2

[1093, 2, 11, 1093, 71, 1093, 2, 3, 2, 2, 1093, 11, 1093, 1093, 66161, 2, 71, 2, 2, 2, 5, 1093, 3, 1093, 1093, 1093, 2, 3, 2, 11, 2, 2, 2, 1093, 11, 2, 1093, 71, 1093, 1093, 1093, 2, 71, 1093, 3, 2, 3, 2, 2, 2, 1093, 3, 2, 11, 71, 1093, 11, 1093, 1093, 1093, 2]

cp's OEIS Frontend

A281001 Square array read by antidiagonals downwards: A(n, 1) = smallest Wieferich prime to base n and A(n, k) = smallest Wieferich prime to base A(n, k-1) for k > 1.

Table of values

List of values