A287877 - cp's OEIS frontend

A287877 Start with n and repeatedly apply the powertrain map x -> A133500(x); a(n) is the fixed point that is eventually reached, or -1 if the trajectory never reaches a fixed point.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	1
11	1
12	1
13	1
14	1
15	1
16	1
17	1
18	1
19	1
20	1
21	2
22	4
23	8
24	1
25	9
26	0
27	8
28	2
29	1
30	1
31	3
32	9
33	8
34	8
35	0
36	2
37	0
38	0
39	0
40	1
41	4
42	1
43	0
44	2
45	1
46	0
47	0
48	0
49	0
50	1
51	5
52	9
53	5
54	0
55	0
56	0
57	0
58	0
59	0
60	1
61	6
62	2
63	1
64	0
65	0
66	0
67	0
68	0
69	0
70	1
71	7
72	0
73	0
74	0
75	7
76	0
77	0
78	0
79	0
80	1
81	8
82	0
83	1
84	0
85	0
86	0
87	0
88	0
89	0
90	1
91	9
92	8
93	2
94	0
95	0
96	0
97	0
98	0
99	0
100	0
101	1

[1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 4, 8, 1, 9, 0, 8, 2, 1, 1, 3, 9, 8, 8, 0, 2, 0, 0, 0, 1, 4, 1, 0, 2, 1, 0, 0, 0, 0, 1, 5, 9, 5, 0, 0, 0, 0, 0, 0, 1, 6, 2, 1, 0, 0, 0, 0, 0, 0, 1, 7, 0, 0, 0, 7, 0, 0, 0, 0, 1, 8, 0, 1, 0, 0, 0, 0, 0, 0, 1, 9, 8, 2, 0, 0, 0, 0, 0, 0, 0, 1]

cp's OEIS Frontend

A287877 Start with n and repeatedly apply the powertrain map x -> A133500(x); a(n) is the fixed point that is eventually reached, or -1 if the trajectory never reaches a fixed point.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	1
11	1
12	1
13	1
14	1
15	1
16	1
17	1
18	1
19	1
20	1
21	2
22	4
23	8
24	1
25	9
26	0
27	8
28	2
29	1
30	1
31	3
32	9
33	8
34	8
35	0
36	2
37	0
38	0
39	0
40	1
41	4
42	1
43	0
44	2
45	1
46	0
47	0
48	0
49	0
50	1
51	5
52	9
53	5
54	0
55	0
56	0
57	0
58	0
59	0
60	1
61	6
62	2
63	1
64	0
65	0
66	0
67	0
68	0
69	0
70	1
71	7
72	0
73	0
74	0
75	7
76	0
77	0
78	0
79	0
80	1
81	8
82	0
83	1
84	0
85	0
86	0
87	0
88	0
89	0
90	1
91	9
92	8
93	2
94	0
95	0
96	0
97	0
98	0
99	0
100	0
101	1

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	1
11	1
12	1
13	1
14	1
15	1
16	1
17	1
18	1
19	1
20	1
21	2
22	4
23	8
24	1
25	9
26	0
27	8
28	2
29	1
30	1
31	3
32	9
33	8
34	8
35	0
36	2
37	0
38	0
39	0
40	1
41	4
42	1
43	0
44	2
45	1
46	0
47	0
48	0
49	0
50	1
51	5
52	9
53	5
54	0
55	0
56	0
57	0
58	0
59	0
60	1
61	6
62	2
63	1
64	0
65	0
66	0
67	0
68	0
69	0
70	1
71	7
72	0
73	0
74	0
75	7
76	0
77	0
78	0
79	0
80	1
81	8
82	0
83	1
84	0
85	0
86	0
87	0
88	0
89	0
90	1
91	9
92	8
93	2
94	0
95	0
96	0
97	0
98	0
99	0
100	0
101	1

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	1
11	1
12	1
13	1
14	1
15	1
16	1
17	1
18	1
19	1
20	1
21	2
22	4
23	8
24	1
25	9
26	0
27	8
28	2
29	1
30	1
31	3
32	9
33	8
34	8
35	0
36	2
37	0
38	0
39	0
40	1
41	4
42	1
43	0
44	2
45	1
46	0
47	0
48	0
49	0
50	1
51	5
52	9
53	5
54	0
55	0
56	0
57	0
58	0
59	0
60	1
61	6
62	2
63	1
64	0
65	0
66	0
67	0
68	0
69	0
70	1
71	7
72	0
73	0
74	0
75	7
76	0
77	0
78	0
79	0
80	1
81	8
82	0
83	1
84	0
85	0
86	0
87	0
88	0
89	0
90	1
91	9
92	8
93	2
94	0
95	0
96	0
97	0
98	0
99	0
100	0
101	1