A376538 - cp's OEIS frontend

A376538 Natural numbers whose iterated squaring modulo 1000 eventually settles at the attractor 1.

n	a(n)
1	1
2	57
3	193
4	249
5	251
6	307
7	443
8	499
9	501
10	557
11	693
12	749
13	751
14	807
15	943
16	999
17	1001
18	1057
19	1193
20	1249
21	1251
22	1307
23	1443
24	1499
25	1501
26	1557
27	1693
28	1749
29	1751
30	1807
31	1943
32	1999
33	2001
34	2057
35	2193
36	2249
37	2251
38	2307
39	2443
40	2499
41	2501
42	2557
43	2693
44	2749
45	2751
46	2807

[1, 57, 193, 249, 251, 307, 443, 499, 501, 557, 693, 749, 751, 807, 943, 999, 1001, 1057, 1193, 1249, 1251, 1307, 1443, 1499, 1501, 1557, 1693, 1749, 1751, 1807, 1943, 1999, 2001, 2057, 2193, 2249, 2251, 2307, 2443, 2499, 2501, 2557, 2693, 2749, 2751, 2807]

cp's OEIS Frontend

A376538 Natural numbers whose iterated squaring modulo 1000 eventually settles at the attractor 1.

Table of values

List of values