A317905 - cp's OEIS frontend

A317905 Convergence speed of m^^m, where m = A067251(n) and n >= 2. a(n) = f(m, m) - f(m, m - 1), where f(x, y) corresponds to the maximum value of k, such that x^^y == x^^(y + 1) (mod 10^k).

n	a(n)
2	0
3	1
4	1
5	2
6	1
7	2
8	1
9	1
10	1
11	1
12	1
13	1
14	4
15	1
16	1
17	2
18	1
19	1
20	1
21	1
22	2
23	3
24	2
25	1
26	1
27	1
28	1
29	2
30	1
31	1
32	2
33	1
34	1
35	1
36	1
37	1
38	1
39	2
40	1
41	2
42	1
43	1
44	1
45	2
46	2
47	1
48	1
49	1
50	3
51	1
52	3
53	1
54	1
55	1
56	1
57	1
58	1
59	6
60	1
61	1
62	3
63	1
64	1
65	1
66	1
67	2
68	2
69	2
70	1
71	1
72	1
73	1
74	2
75	1
76	1
77	2
78	1
79	1
80	1
81	1
82	1
83	1
84	2
85	1
86	5
87	1
88	1

[0, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 4, 1, 1, 2, 1, 1, 1, 1, 2, 3, 2, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 2, 2, 1, 1, 1, 3, 1, 3, 1, 1, 1, 1, 1, 1, 6, 1, 1, 3, 1, 1, 1, 1, 2, 2, 2, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, 5, 1, 1]

cp's OEIS Frontend

A317905 Convergence speed of m^^m, where m = A067251(n) and n >= 2. a(n) = f(m, m) - f(m, m - 1), where f(x, y) corresponds to the maximum value of k, such that x^^y == x^^(y + 1) (mod 10^k).

Table of values

List of values

n	a(n)
2	0
3	1
4	1
5	2
6	1
7	2
8	1
9	1
10	1
11	1
12	1
13	1
14	4
15	1
16	1
17	2
18	1
19	1
20	1
21	1
22	2
23	3
24	2
25	1
26	1
27	1
28	1
29	2
30	1
31	1
32	2
33	1
34	1
35	1
36	1
37	1
38	1
39	2
40	1
41	2
42	1
43	1
44	1
45	2
46	2
47	1
48	1
49	1
50	3
51	1
52	3
53	1
54	1
55	1
56	1
57	1
58	1
59	6
60	1
61	1
62	3
63	1
64	1
65	1
66	1
67	2
68	2
69	2
70	1
71	1
72	1
73	1
74	2
75	1
76	1
77	2
78	1
79	1
80	1
81	1
82	1
83	1
84	2
85	1
86	5
87	1
88	1

n	a(n)
2	0
3	1
4	1
5	2
6	1
7	2
8	1
9	1
10	1
11	1
12	1
13	1
14	4
15	1
16	1
17	2
18	1
19	1
20	1
21	1
22	2
23	3
24	2
25	1
26	1
27	1
28	1
29	2
30	1
31	1
32	2
33	1
34	1
35	1
36	1
37	1
38	1
39	2
40	1
41	2
42	1
43	1
44	1
45	2
46	2
47	1
48	1
49	1
50	3
51	1
52	3
53	1
54	1
55	1
56	1
57	1
58	1
59	6
60	1
61	1
62	3
63	1
64	1
65	1
66	1
67	2
68	2
69	2
70	1
71	1
72	1
73	1
74	2
75	1
76	1
77	2
78	1
79	1
80	1
81	1
82	1
83	1
84	2
85	1
86	5
87	1
88	1

n	a(n)
2	0
3	1
4	1
5	2
6	1
7	2
8	1
9	1
10	1
11	1
12	1
13	1
14	4
15	1
16	1
17	2
18	1
19	1
20	1
21	1
22	2
23	3
24	2
25	1
26	1
27	1
28	1
29	2
30	1
31	1
32	2
33	1
34	1
35	1
36	1
37	1
38	1
39	2
40	1
41	2
42	1
43	1
44	1
45	2
46	2
47	1
48	1
49	1
50	3
51	1
52	3
53	1
54	1
55	1
56	1
57	1
58	1
59	6
60	1
61	1
62	3
63	1
64	1
65	1
66	1
67	2
68	2
69	2
70	1
71	1
72	1
73	1
74	2
75	1
76	1
77	2
78	1
79	1
80	1
81	1
82	1
83	1
84	2
85	1
86	5
87	1
88	1