A122691 - cp's OEIS frontend

A122691 a(n) is the least prime factor of (9 * 10^(6*n-4) - 11) / 7.

n	a(n)
1	127
2	401
3	19
4	53
5	151
6	7
7	139
8	127
9	19
10	78721
11	3458771
12	19
13	7
14	38954263
15	19
16	79
17	53
18	19
19	157
20	7
21	19
22	127
23	18191
24	19
25	12119
26	421
27	7
28	107434435760557861791327959267859939351202240879711219728393537522815146155523913
29	79
30	19
31	23196834569628410341642097660316821

[127, 401, 19, 53, 151, 7, 139, 127, 19, 78721, 3458771, 19, 7, 38954263, 19, 79, 53, 19, 157, 7, 19, 127, 18191, 19, 12119, 421, 7, 107434435760557861791327959267859939351202240879711219728393537522815146155523913, 79, 19, 23196834569628410341642097660316821]

cp's OEIS Frontend

A122691 a(n) is the least prime factor of (9 * 10^(6*n-4) - 11) / 7.

Table of values

List of values