A106740 - cp's OEIS frontend

A106740 Triangle read by rows: greatest common divisors of pairs of Fibonacci numbers greater than 1: T(n, k) = gcd(Fibonacci(n), Fibonacci(k)).

n	a(n)
3	2
4	1
5	3
6	1
7	1
8	5
9	2
10	1
11	1
12	8
13	1
14	1
15	1
16	1
17	13
18	1
19	3
20	1
21	1
22	1
23	21
24	2
25	1
26	1
27	2
28	1
29	1
30	34
31	1
32	1
33	5
34	1
35	1
36	1
37	1
38	55
39	1
40	1
41	1
42	1
43	1
44	1
45	1
46	1
47	89
48	2
49	3
50	1
51	8
52	1
53	3
54	2
55	1
56	1
57	144
58	1
59	1
60	1
61	1
62	1
63	1
64	1
65	1
66	1
67	1
68	233
69	1
70	1
71	1
72	1
73	13
74	1
75	1
76	1
77	1
78	1
79	1
80	377
81	2
82	1
83	5
84	2
85	1
86	1
87	2
88	5
89	1
90	2
91	1
92	1
93	610

[2, 1, 3, 1, 1, 5, 2, 1, 1, 8, 1, 1, 1, 1, 13, 1, 3, 1, 1, 1, 21, 2, 1, 1, 2, 1, 1, 34, 1, 1, 5, 1, 1, 1, 1, 55, 1, 1, 1, 1, 1, 1, 1, 1, 89, 2, 3, 1, 8, 1, 3, 2, 1, 1, 144, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 233, 1, 1, 1, 1, 13, 1, 1, 1, 1, 1, 1, 377, 2, 1, 5, 2, 1, 1, 2, 5, 1, 2, 1, 1, 610]

cp's OEIS Frontend

A106740 Triangle read by rows: greatest common divisors of pairs of Fibonacci numbers greater than 1: T(n, k) = gcd(Fibonacci(n), Fibonacci(k)).

Table of values

List of values

n	a(n)
3	2
4	1
5	3
6	1
7	1
8	5
9	2
10	1
11	1
12	8
13	1
14	1
15	1
16	1
17	13
18	1
19	3
20	1
21	1
22	1
23	21
24	2
25	1
26	1
27	2
28	1
29	1
30	34
31	1
32	1
33	5
34	1
35	1
36	1
37	1
38	55
39	1
40	1
41	1
42	1
43	1
44	1
45	1
46	1
47	89
48	2
49	3
50	1
51	8
52	1
53	3
54	2
55	1
56	1
57	144
58	1
59	1
60	1
61	1
62	1
63	1
64	1
65	1
66	1
67	1
68	233
69	1
70	1
71	1
72	1
73	13
74	1
75	1
76	1
77	1
78	1
79	1
80	377
81	2
82	1
83	5
84	2
85	1
86	1
87	2
88	5
89	1
90	2
91	1
92	1
93	610

n	a(n)
3	2
4	1
5	3
6	1
7	1
8	5
9	2
10	1
11	1
12	8
13	1
14	1
15	1
16	1
17	13
18	1
19	3
20	1
21	1
22	1
23	21
24	2
25	1
26	1
27	2
28	1
29	1
30	34
31	1
32	1
33	5
34	1
35	1
36	1
37	1
38	55
39	1
40	1
41	1
42	1
43	1
44	1
45	1
46	1
47	89
48	2
49	3
50	1
51	8
52	1
53	3
54	2
55	1
56	1
57	144
58	1
59	1
60	1
61	1
62	1
63	1
64	1
65	1
66	1
67	1
68	233
69	1
70	1
71	1
72	1
73	13
74	1
75	1
76	1
77	1
78	1
79	1
80	377
81	2
82	1
83	5
84	2
85	1
86	1
87	2
88	5
89	1
90	2
91	1
92	1
93	610

n	a(n)
3	2
4	1
5	3
6	1
7	1
8	5
9	2
10	1
11	1
12	8
13	1
14	1
15	1
16	1
17	13
18	1
19	3
20	1
21	1
22	1
23	21
24	2
25	1
26	1
27	2
28	1
29	1
30	34
31	1
32	1
33	5
34	1
35	1
36	1
37	1
38	55
39	1
40	1
41	1
42	1
43	1
44	1
45	1
46	1
47	89
48	2
49	3
50	1
51	8
52	1
53	3
54	2
55	1
56	1
57	144
58	1
59	1
60	1
61	1
62	1
63	1
64	1
65	1
66	1
67	1
68	233
69	1
70	1
71	1
72	1
73	13
74	1
75	1
76	1
77	1
78	1
79	1
80	377
81	2
82	1
83	5
84	2
85	1
86	1
87	2
88	5
89	1
90	2
91	1
92	1
93	610