A109496 - cp's OEIS frontend

A109496 a(n) is the first integer k for which b(b(...b(n)...))=5, where the transformation b(m), the m-th term of A008474, is taken k-1 times.

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

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

cp's OEIS Frontend

A109496 a(n) is the first integer k for which b(b(...b(n)...))=5, where the transformation b(m), the m-th term of A008474, is taken k-1 times.

Table of values

List of values

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

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

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