A023183 - cp's OEIS frontend

A023183 a(n) = least k such that Fibonacci(k) ends with n, or -1 if there are none.

n	a(n)
0	0
1	1
2	3
3	4
4	9
5	5
6	21
7	14
8	6
9	11
10	15
11	22
12	216
13	7
14	111
15	130
16	168
17	37
18	27
19	112
20	60
21	8
22	117
23	64
24	198
25	25
26	99
27	136
28	204
29	29
30	105
31	88
32	174
33	13
34	9
35	70
36	222
37	43
38	93
39	172
40	30
41	41
42	63
43	124
44	12
45	55
46	21
47	154
48	186
49	49
50	75
51	148
52	36
53	67
54	129
55	10
56	162
57	23
58	87
59	118
60	180
61	61
62	57
63	166
64	72
65	20

[0, 1, 3, 4, 9, 5, 21, 14, 6, 11, 15, 22, 216, 7, 111, 130, 168, 37, 27, 112, 60, 8, 117, 64, 198, 25, 99, 136, 204, 29, 105, 88, 174, 13, 9, 70, 222, 43, 93, 172, 30, 41, 63, 124, 12, 55, 21, 154, 186, 49, 75, 148, 36, 67, 129, 10, 162, 23, 87, 118, 180, 61, 57, 166, 72, 20]

cp's OEIS Frontend

A023183 a(n) = least k such that Fibonacci(k) ends with n, or -1 if there are none.

Table of values

List of values

n	a(n)
0	0
1	1
2	3
3	4
4	9
5	5
6	21
7	14
8	6
9	11
10	15
11	22
12	216
13	7
14	111
15	130
16	168
17	37
18	27
19	112
20	60
21	8
22	117
23	64
24	198
25	25
26	99
27	136
28	204
29	29
30	105
31	88
32	174
33	13
34	9
35	70
36	222
37	43
38	93
39	172
40	30
41	41
42	63
43	124
44	12
45	55
46	21
47	154
48	186
49	49
50	75
51	148
52	36
53	67
54	129
55	10
56	162
57	23
58	87
59	118
60	180
61	61
62	57
63	166
64	72
65	20

n	a(n)
0	0
1	1
2	3
3	4
4	9
5	5
6	21
7	14
8	6
9	11
10	15
11	22
12	216
13	7
14	111
15	130
16	168
17	37
18	27
19	112
20	60
21	8
22	117
23	64
24	198
25	25
26	99
27	136
28	204
29	29
30	105
31	88
32	174
33	13
34	9
35	70
36	222
37	43
38	93
39	172
40	30
41	41
42	63
43	124
44	12
45	55
46	21
47	154
48	186
49	49
50	75
51	148
52	36
53	67
54	129
55	10
56	162
57	23
58	87
59	118
60	180
61	61
62	57
63	166
64	72
65	20

n	a(n)
0	0
1	1
2	3
3	4
4	9
5	5
6	21
7	14
8	6
9	11
10	15
11	22
12	216
13	7
14	111
15	130
16	168
17	37
18	27
19	112
20	60
21	8
22	117
23	64
24	198
25	25
26	99
27	136
28	204
29	29
30	105
31	88
32	174
33	13
34	9
35	70
36	222
37	43
38	93
39	172
40	30
41	41
42	63
43	124
44	12
45	55
46	21
47	154
48	186
49	49
50	75
51	148
52	36
53	67
54	129
55	10
56	162
57	23
58	87
59	118
60	180
61	61
62	57
63	166
64	72
65	20