A308170 - cp's OEIS frontend

A308170 Start with the number 7, repeatedly square every digit in place to get a new number; in the limit this process converges (reading from right to left) to the string shown here.

n	a(n)
1	1
2	6
3	3
4	9
5	1
6	8
7	1
8	4
9	6
10	1
11	6
12	1
13	6
14	3
15	1
16	6
17	3
18	1
19	6
20	3
21	9
22	1
23	6
24	3
25	9
26	1
27	6
28	3
29	9
30	1
31	8
32	1
33	6
34	3
35	9
36	1
37	8
38	1
39	6
40	3
41	9
42	1
43	8
44	1
45	4
46	6
47	1
48	6
49	3
50	9
51	1
52	8
53	1
54	4
55	6
56	1
57	6
58	3
59	9
60	1
61	8
62	1
63	4
64	6
65	1
66	6
67	1
68	6
69	3
70	1
71	6
72	3
73	9
74	1
75	8
76	1
77	4
78	6
79	1
80	6
81	1
82	6
83	3
84	1
85	6
86	3
87	9

[1, 6, 3, 9, 1, 8, 1, 4, 6, 1, 6, 1, 6, 3, 1, 6, 3, 1, 6, 3, 9, 1, 6, 3, 9, 1, 6, 3, 9, 1, 8, 1, 6, 3, 9, 1, 8, 1, 6, 3, 9, 1, 8, 1, 4, 6, 1, 6, 3, 9, 1, 8, 1, 4, 6, 1, 6, 3, 9, 1, 8, 1, 4, 6, 1, 6, 1, 6, 3, 1, 6, 3, 9, 1, 8, 1, 4, 6, 1, 6, 1, 6, 3, 1, 6, 3, 9]

cp's OEIS Frontend

A308170 Start with the number 7, repeatedly square every digit in place to get a new number; in the limit this process converges (reading from right to left) to the string shown here.

Table of values

List of values

n	a(n)
1	1
2	6
3	3
4	9
5	1
6	8
7	1
8	4
9	6
10	1
11	6
12	1
13	6
14	3
15	1
16	6
17	3
18	1
19	6
20	3
21	9
22	1
23	6
24	3
25	9
26	1
27	6
28	3
29	9
30	1
31	8
32	1
33	6
34	3
35	9
36	1
37	8
38	1
39	6
40	3
41	9
42	1
43	8
44	1
45	4
46	6
47	1
48	6
49	3
50	9
51	1
52	8
53	1
54	4
55	6
56	1
57	6
58	3
59	9
60	1
61	8
62	1
63	4
64	6
65	1
66	6
67	1
68	6
69	3
70	1
71	6
72	3
73	9
74	1
75	8
76	1
77	4
78	6
79	1
80	6
81	1
82	6
83	3
84	1
85	6
86	3
87	9

n	a(n)
1	1
2	6
3	3
4	9
5	1
6	8
7	1
8	4
9	6
10	1
11	6
12	1
13	6
14	3
15	1
16	6
17	3
18	1
19	6
20	3
21	9
22	1
23	6
24	3
25	9
26	1
27	6
28	3
29	9
30	1
31	8
32	1
33	6
34	3
35	9
36	1
37	8
38	1
39	6
40	3
41	9
42	1
43	8
44	1
45	4
46	6
47	1
48	6
49	3
50	9
51	1
52	8
53	1
54	4
55	6
56	1
57	6
58	3
59	9
60	1
61	8
62	1
63	4
64	6
65	1
66	6
67	1
68	6
69	3
70	1
71	6
72	3
73	9
74	1
75	8
76	1
77	4
78	6
79	1
80	6
81	1
82	6
83	3
84	1
85	6
86	3
87	9

n	a(n)
1	1
2	6
3	3
4	9
5	1
6	8
7	1
8	4
9	6
10	1
11	6
12	1
13	6
14	3
15	1
16	6
17	3
18	1
19	6
20	3
21	9
22	1
23	6
24	3
25	9
26	1
27	6
28	3
29	9
30	1
31	8
32	1
33	6
34	3
35	9
36	1
37	8
38	1
39	6
40	3
41	9
42	1
43	8
44	1
45	4
46	6
47	1
48	6
49	3
50	9
51	1
52	8
53	1
54	4
55	6
56	1
57	6
58	3
59	9
60	1
61	8
62	1
63	4
64	6
65	1
66	6
67	1
68	6
69	3
70	1
71	6
72	3
73	9
74	1
75	8
76	1
77	4
78	6
79	1
80	6
81	1
82	6
83	3
84	1
85	6
86	3
87	9