A255980 - cp's OEIS frontend

A255980 Number of iterations of A067565 required to reach a perfect square.

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

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

cp's OEIS Frontend

A255980 Number of iterations of A067565 required to reach a perfect square.

Table of values

List of values

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

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

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