A096058 - cp's OEIS frontend

A096058 a(1) = 1, a(n) = largest prime divisor of b(n), where b(1) = 1, b(n) = n*b(n-1) + 1 = A002627(n).

n	a(n)
1	1
2	3
3	5
4	41
5	103
6	1237
7	433
8	2389
9	2711
10	145007
11	523
12	164611949
13	232603841
14	201069629
15	132267077
16	35951249665217
17	204405098431
18	392881768421
19	52255141388393
20	8098687
21	43894318766250120011
22	386270005143001056097

[1, 3, 5, 41, 103, 1237, 433, 2389, 2711, 145007, 523, 164611949, 232603841, 201069629, 132267077, 35951249665217, 204405098431, 392881768421, 52255141388393, 8098687, 43894318766250120011, 386270005143001056097]

cp's OEIS Frontend

A096058 a(1) = 1, a(n) = largest prime divisor of b(n), where b(1) = 1, b(n) = n*b(n-1) + 1 = A002627(n).

Table of values

List of values