A309525 - cp's OEIS frontend

A309525 a(n) is the greatest divisor of A006190(n) that is coprime to A006190(m) for all positive integers m < n.

n	a(n)
1	1
2	3
3	10
4	11
5	109
6	1
7	1189
8	119
9	1297
10	131
11	141481
12	59
13	1543321
14	1429
15	3089
16	14159
17	183642229
18	433
19	2003229469
20	14041
21	1837837
22	170039
23	238367471761
24	7079
25	23854956949
26	1854841
27	2186871697
28	1670761
29	309400794703549
30	12871
31	3375045015828949
32	200477279

[1, 3, 10, 11, 109, 1, 1189, 119, 1297, 131, 141481, 59, 1543321, 1429, 3089, 14159, 183642229, 433, 2003229469, 14041, 1837837, 170039, 238367471761, 7079, 23854956949, 1854841, 2186871697, 1670761, 309400794703549, 12871, 3375045015828949, 200477279]

cp's OEIS Frontend

A309525 a(n) is the greatest divisor of A006190(n) that is coprime to A006190(m) for all positive integers m < n.

Table of values

List of values