A023517 - cp's OEIS frontend

A023517 Greatest prime divisor of prime(n)*prime(n-1) - 1.

n	a(n)
2	5
3	7
4	17
5	19
6	71
7	11
8	23
9	109
10	37
11	449
12	191
13	379
14	881
15	101
16	83
17	521
18	257
19	227
20	41
21	2591
22	31
23	149
24	1231
25	83
26	79
27	743
28	29
29	17
30	3079
31	41
32	4159
33	997
34	9521
35	109
36	1607
37	439
38	853
39	1361
40	107
41	397
42	167
43	3457
44	2633
45	1901
46	1153
47	3499
48	1307
49	2531
50	79
51	13339
52	9281
53	929

[5, 7, 17, 19, 71, 11, 23, 109, 37, 449, 191, 379, 881, 101, 83, 521, 257, 227, 41, 2591, 31, 149, 1231, 83, 79, 743, 29, 17, 3079, 41, 4159, 997, 9521, 109, 1607, 439, 853, 1361, 107, 397, 167, 3457, 2633, 1901, 1153, 3499, 1307, 2531, 79, 13339, 9281, 929]

cp's OEIS Frontend

A023517 Greatest prime divisor of prime(n)*prime(n-1) - 1.

Table of values

List of values