A278515 - cp's OEIS frontend

A278515 Number of steps required to iterate map k -> A255131(k) when starting from k = (A000196(n)+1)^2 before n is reached, or 0 if n is not reached.

n	a(n)
0	1
1	0
2	0
3	1
4	0
5	0
6	2
7	0
8	1
9	0
10	0
11	2
12	0
13	0
14	0
15	1
16	4
17	0
18	3
19	0
20	0
21	2
22	0
23	0
24	1
25	0
26	0
27	4
28	0
29	0
30	3
31	0
32	2
33	0
34	0
35	1
36	0
37	0
38	5
39	0
40	4
41	0
42	0
43	3
44	0
45	2
46	0
47	0
48	1
49	0
50	0
51	5
52	0
53	4
54	0
55	0
56	3
57	0
58	0
59	2
60	0
61	0
62	0
63	1
64	7
65	0
66	0
67	6
68	0
69	0
70	5
71	0
72	4
73	0
74	0
75	3
76	0
77	0
78	2
79	0
80	1
81	0
82	0
83	7
84	0
85	6
86	0
87	0
88	5
89	0
90	4
91	0
92	0
93	3
94	0
95	0
96	2
97	0
98	0
99	1
100	0
101	0
102	7
103	0
104	0
105	6
106	0
107	0
108	5
109	0
110	0
111	0
112	4
113	0
114	0
115	3
116	0
117	2
118	0
119	0
120	1

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

cp's OEIS Frontend

A278515 Number of steps required to iterate map k -> A255131(k) when starting from k = (A000196(n)+1)^2 before n is reached, or 0 if n is not reached.

Table of values

List of values

n	a(n)
0	1
1	0
2	0
3	1
4	0
5	0
6	2
7	0
8	1
9	0
10	0
11	2
12	0
13	0
14	0
15	1
16	4
17	0
18	3
19	0
20	0
21	2
22	0
23	0
24	1
25	0
26	0
27	4
28	0
29	0
30	3
31	0
32	2
33	0
34	0
35	1
36	0
37	0
38	5
39	0
40	4
41	0
42	0
43	3
44	0
45	2
46	0
47	0
48	1
49	0
50	0
51	5
52	0
53	4
54	0
55	0
56	3
57	0
58	0
59	2
60	0
61	0
62	0
63	1
64	7
65	0
66	0
67	6
68	0
69	0
70	5
71	0
72	4
73	0
74	0
75	3
76	0
77	0
78	2
79	0
80	1
81	0
82	0
83	7
84	0
85	6
86	0
87	0
88	5
89	0
90	4
91	0
92	0
93	3
94	0
95	0
96	2
97	0
98	0
99	1
100	0
101	0
102	7
103	0
104	0
105	6
106	0
107	0
108	5
109	0
110	0
111	0
112	4
113	0
114	0
115	3
116	0
117	2
118	0
119	0
120	1

n	a(n)
0	1
1	0
2	0
3	1
4	0
5	0
6	2
7	0
8	1
9	0
10	0
11	2
12	0
13	0
14	0
15	1
16	4
17	0
18	3
19	0
20	0
21	2
22	0
23	0
24	1
25	0
26	0
27	4
28	0
29	0
30	3
31	0
32	2
33	0
34	0
35	1
36	0
37	0
38	5
39	0
40	4
41	0
42	0
43	3
44	0
45	2
46	0
47	0
48	1
49	0
50	0
51	5
52	0
53	4
54	0
55	0
56	3
57	0
58	0
59	2
60	0
61	0
62	0
63	1
64	7
65	0
66	0
67	6
68	0
69	0
70	5
71	0
72	4
73	0
74	0
75	3
76	0
77	0
78	2
79	0
80	1
81	0
82	0
83	7
84	0
85	6
86	0
87	0
88	5
89	0
90	4
91	0
92	0
93	3
94	0
95	0
96	2
97	0
98	0
99	1
100	0
101	0
102	7
103	0
104	0
105	6
106	0
107	0
108	5
109	0
110	0
111	0
112	4
113	0
114	0
115	3
116	0
117	2
118	0
119	0
120	1

n	a(n)
0	1
1	0
2	0
3	1
4	0
5	0
6	2
7	0
8	1
9	0
10	0
11	2
12	0
13	0
14	0
15	1
16	4
17	0
18	3
19	0
20	0
21	2
22	0
23	0
24	1
25	0
26	0
27	4
28	0
29	0
30	3
31	0
32	2
33	0
34	0
35	1
36	0
37	0
38	5
39	0
40	4
41	0
42	0
43	3
44	0
45	2
46	0
47	0
48	1
49	0
50	0
51	5
52	0
53	4
54	0
55	0
56	3
57	0
58	0
59	2
60	0
61	0
62	0
63	1
64	7
65	0
66	0
67	6
68	0
69	0
70	5
71	0
72	4
73	0
74	0
75	3
76	0
77	0
78	2
79	0
80	1
81	0
82	0
83	7
84	0
85	6
86	0
87	0
88	5
89	0
90	4
91	0
92	0
93	3
94	0
95	0
96	2
97	0
98	0
99	1
100	0
101	0
102	7
103	0
104	0
105	6
106	0
107	0
108	5
109	0
110	0
111	0
112	4
113	0
114	0
115	3
116	0
117	2
118	0
119	0
120	1