A016016 - cp's OEIS frontend

A016016 Number of iterations of Reverse and Add which lead to a palindrome, or -1 if no palindrome is ever reached.

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

[1, 1, 1, 1, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, 2, 2, 1, 1, 1, 1, 1, 2, 1, 2, 2, 3, 1, 1, 1, 1, 2, 1, 2, 2, 3, 4, 1, 1, 1, 2, 1, 2, 2, 3, 4, 6, 1, 1, 2, 1, 2, 2, 3, 4, 6, 24, 1, 2, 1, 2, 2, 3, 4, 6, 24]

cp's OEIS Frontend

A016016 Number of iterations of Reverse and Add which lead to a palindrome, or -1 if no palindrome is ever reached.

Table of values

List of values

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

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

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