A115311 - cp's OEIS frontend

A115311 a(n) = gcd(Lucas(n)-1, Fibonacci(n)-1).

n	a(n)
1	0
2	2
3	1
4	2
5	2
6	1
7	4
8	2
9	3
10	2
11	22
12	1
13	8
14	2
15	29
16	2
17	42
18	1
19	76
20	2
21	55
22	2
23	398
24	1
25	144
26	2
27	521
28	2
29	754
30	1
31	1364
32	2
33	987
34	2
35	7142
36	1
37	2584
38	2
39	9349
40	2
41	13530
42	1
43	24476
44	2
45	17711
46	2
47	128158
48	1
49	46368
50	2
51	167761
52	2
53	242786
54	1
55	439204
56	2
57	317811
58	2
59	2299702
60	1

[0, 2, 1, 2, 2, 1, 4, 2, 3, 2, 22, 1, 8, 2, 29, 2, 42, 1, 76, 2, 55, 2, 398, 1, 144, 2, 521, 2, 754, 1, 1364, 2, 987, 2, 7142, 1, 2584, 2, 9349, 2, 13530, 1, 24476, 2, 17711, 2, 128158, 1, 46368, 2, 167761, 2, 242786, 1, 439204, 2, 317811, 2, 2299702, 1]

cp's OEIS Frontend

A115311 a(n) = gcd(Lucas(n)-1, Fibonacci(n)-1).

Table of values

List of values