A058078 - cp's OEIS frontend

A058078 Greatest common divisor of two binomial coefficients formed from consecutive primes: a(n) = gcd(C(prime(n+2), prime(n+1)), C(prime(n+1), prime(n))).

n	a(n)
1	1
2	1
3	3
4	6
5	2
6	1
7	1
8	35
9	15
10	3
11	2
12	1
13	3
14	5
15	14
16	6
17	6
18	7
19	1
20	1
21	5
22	4
23	4
24	15
25	3
26	1
27	2
28	2
29	55
30	5
31	4
32	3
33	1
34	1
35	3
36	84
37	1
38	1
39	28
40	10
41	3
42	3
43	1
44	1
45	1
46	221
47	3
48	6
49	2
50	7
51	3
52	15
53	231
54	21
55	7
56	1
57	5
58	70
59	3
60	1
61	1292
62	35
63	1
64	3
65	15
66	24
67	7
68	1
69	6
70	7
71	1
72	3
73	42
74	5
75	1
76	231
77	35
78	1
79	143
80	2
81	5
82	1
83	1
84	7
85	14
86	1
87	45
88	3

[1, 1, 3, 6, 2, 1, 1, 35, 15, 3, 2, 1, 3, 5, 14, 6, 6, 7, 1, 1, 5, 4, 4, 15, 3, 1, 2, 2, 55, 5, 4, 3, 1, 1, 3, 84, 1, 1, 28, 10, 3, 3, 1, 1, 1, 221, 3, 6, 2, 7, 3, 15, 231, 21, 7, 1, 5, 70, 3, 1, 1292, 35, 1, 3, 15, 24, 7, 1, 6, 7, 1, 3, 42, 5, 1, 231, 35, 1, 143, 2, 5, 1, 1, 7, 14, 1, 45, 3]

cp's OEIS Frontend

A058078 Greatest common divisor of two binomial coefficients formed from consecutive primes: a(n) = gcd(C(prime(n+2), prime(n+1)), C(prime(n+1), prime(n))).

Table of values

List of values