A221132 - cp's OEIS frontend

A221132 a(n) = lcm(a(n-1), n^2 + n + 1) for n > 1 with a(1) = 1.

n	a(n)
1	1
2	7
3	91
4	273
5	8463
6	363909
7	6914271
8	504741783
9	504741783
10	18675445971
11	18675445971
12	2932045017447
13	178854746064267
14	37738351419560337
15	9094942692114041217
16	9094942692114041217
17	2792147406479010653619
18	136815222917471522027331

[1, 7, 91, 273, 8463, 363909, 6914271, 504741783, 504741783, 18675445971, 18675445971, 2932045017447, 178854746064267, 37738351419560337, 9094942692114041217, 9094942692114041217, 2792147406479010653619, 136815222917471522027331]

cp's OEIS Frontend

A221132 a(n) = lcm(a(n-1), n^2 + n + 1) for n > 1 with a(1) = 1.

Table of values

List of values