A049996 - cp's OEIS frontend

A049996 a(n) is the index k such that F(k)=d(n), where d=A049874 (difference sequence of ordered products of Fibonacci numbers).

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

[1, 1, 1, 3, 1, 3, 3, 4, 3, 1, 5, 4, 3, 6, 5, 1, 3, 7, 6, 3, 4, 8, 7, 3, 1, 5, 9, 8, 4, 3, 6, 10, 9, 5, 1, 3, 7, 11, 10, 6, 3, 4, 8, 12, 11, 7, 3, 1, 5, 9, 13, 12, 8, 4, 3, 6, 10, 14, 13, 9, 5, 1, 3, 7, 11, 15, 14, 10, 6, 3, 4, 8, 12, 16, 15, 11, 7, 3, 1, 5, 9, 13, 17]

cp's OEIS Frontend

A049996 a(n) is the index k such that F(k)=d(n), where d=A049874 (difference sequence of ordered products of Fibonacci numbers).

Table of values

List of values

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

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

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