A254410 - cp's OEIS frontend

A254410 Limit of f(f(f(...f(2)...))) modulo n as the number of iterations of f(x) = 2^x - 1 grows.

n	a(n)
1	0
2	1
3	1
4	3
5	2
6	1
7	1
8	7
9	1
10	7
11	6
12	7
13	10
14	1
15	7
16	15
17	8
18	1
19	1
20	7
21	1
22	17
23	17
24	7
25	2
26	23
27	1
28	15
29	26
30	7
31	3
32	31
33	28
34	25
35	22
36	19
37	34
38	1
39	10
40	7
41	4
42	1
43	1
44	39
45	37
46	17
47	35
48	31
49	1
50	27
51	25
52	23
53	32
54	1
55	17
56	15
57	1
58	55
59	36
60	7
61	5
62	3
63	1
64	63
65	62
66	61
67	43
68	59
69	40
70	57
71	49
72	55
73	1
74	71
75	52
76	39
77	50
78	49
79	75
80	47
81	1
82	45
83	66
84	43
85	42
86	1
87	55
88	39
89	63
90	37
91	36
92	63
93	34
94	35
95	77
96	31
97	65
98	1
99	28
100	27

[0, 1, 1, 3, 2, 1, 1, 7, 1, 7, 6, 7, 10, 1, 7, 15, 8, 1, 1, 7, 1, 17, 17, 7, 2, 23, 1, 15, 26, 7, 3, 31, 28, 25, 22, 19, 34, 1, 10, 7, 4, 1, 1, 39, 37, 17, 35, 31, 1, 27, 25, 23, 32, 1, 17, 15, 1, 55, 36, 7, 5, 3, 1, 63, 62, 61, 43, 59, 40, 57, 49, 55, 1, 71, 52, 39, 50, 49, 75, 47, 1, 45, 66, 43, 42, 1, 55, 39, 63, 37, 36, 63, 34, 35, 77, 31, 65, 1, 28, 27]

cp's OEIS Frontend

A254410 Limit of f(f(f(...f(2)...))) modulo n as the number of iterations of f(x) = 2^x - 1 grows.

Table of values

List of values

n	a(n)
1	0
2	1
3	1
4	3
5	2
6	1
7	1
8	7
9	1
10	7
11	6
12	7
13	10
14	1
15	7
16	15
17	8
18	1
19	1
20	7
21	1
22	17
23	17
24	7
25	2
26	23
27	1
28	15
29	26
30	7
31	3
32	31
33	28
34	25
35	22
36	19
37	34
38	1
39	10
40	7
41	4
42	1
43	1
44	39
45	37
46	17
47	35
48	31
49	1
50	27
51	25
52	23
53	32
54	1
55	17
56	15
57	1
58	55
59	36
60	7
61	5
62	3
63	1
64	63
65	62
66	61
67	43
68	59
69	40
70	57
71	49
72	55
73	1
74	71
75	52
76	39
77	50
78	49
79	75
80	47
81	1
82	45
83	66
84	43
85	42
86	1
87	55
88	39
89	63
90	37
91	36
92	63
93	34
94	35
95	77
96	31
97	65
98	1
99	28
100	27

n	a(n)
1	0
2	1
3	1
4	3
5	2
6	1
7	1
8	7
9	1
10	7
11	6
12	7
13	10
14	1
15	7
16	15
17	8
18	1
19	1
20	7
21	1
22	17
23	17
24	7
25	2
26	23
27	1
28	15
29	26
30	7
31	3
32	31
33	28
34	25
35	22
36	19
37	34
38	1
39	10
40	7
41	4
42	1
43	1
44	39
45	37
46	17
47	35
48	31
49	1
50	27
51	25
52	23
53	32
54	1
55	17
56	15
57	1
58	55
59	36
60	7
61	5
62	3
63	1
64	63
65	62
66	61
67	43
68	59
69	40
70	57
71	49
72	55
73	1
74	71
75	52
76	39
77	50
78	49
79	75
80	47
81	1
82	45
83	66
84	43
85	42
86	1
87	55
88	39
89	63
90	37
91	36
92	63
93	34
94	35
95	77
96	31
97	65
98	1
99	28
100	27

n	a(n)
1	0
2	1
3	1
4	3
5	2
6	1
7	1
8	7
9	1
10	7
11	6
12	7
13	10
14	1
15	7
16	15
17	8
18	1
19	1
20	7
21	1
22	17
23	17
24	7
25	2
26	23
27	1
28	15
29	26
30	7
31	3
32	31
33	28
34	25
35	22
36	19
37	34
38	1
39	10
40	7
41	4
42	1
43	1
44	39
45	37
46	17
47	35
48	31
49	1
50	27
51	25
52	23
53	32
54	1
55	17
56	15
57	1
58	55
59	36
60	7
61	5
62	3
63	1
64	63
65	62
66	61
67	43
68	59
69	40
70	57
71	49
72	55
73	1
74	71
75	52
76	39
77	50
78	49
79	75
80	47
81	1
82	45
83	66
84	43
85	42
86	1
87	55
88	39
89	63
90	37
91	36
92	63
93	34
94	35
95	77
96	31
97	65
98	1
99	28
100	27