A139766 - cp's OEIS frontend

A139766 A number n is included in the sequence if and only if the n-th integer from among those positive integers which are coprime to n+1 = the (n+1)-st integer from among those positive integers which are coprime to n.

n	a(n)
1	3
2	15
3	104
4	164
5	255
6	2625
7	2834
8	11715
9	18315
10	48704
11	49215
12	64004
13	65535
14	73124
15	131144
16	215775
17	491535
18	525986
19	546272
20	568815
21	952575
22	1925564
23	5781434
24	5861583
25	13496384
26	14409548
27	17646615
28	17949434
29	20171384
30	21475124
31	22632285

[3, 15, 104, 164, 255, 2625, 2834, 11715, 18315, 48704, 49215, 64004, 65535, 73124, 131144, 215775, 491535, 525986, 546272, 568815, 952575, 1925564, 5781434, 5861583, 13496384, 14409548, 17646615, 17949434, 20171384, 21475124, 22632285]

cp's OEIS Frontend

A139766 A number n is included in the sequence if and only if the n-th integer from among those positive integers which are coprime to n+1 = the (n+1)-st integer from among those positive integers which are coprime to n.

Table of values

List of values