A307217 - cp's OEIS frontend

A307217 Semiprimes pq such that 2^(p+q) == 1 (mod pq).

n	a(n)
1	9
2	15
3	35
4	119
5	5543
6	74447
7	90859
8	110767
9	222179
10	389993
11	1526849
12	2927297
13	3626699
14	4559939
15	24017531
16	137051711
17	160832099
18	229731743
19	627699239
20	880021141
21	1001124539
22	1041287603
23	1104903617
24	1592658611
25	1717999139
26	8843679683
27	15575602979
28	15614760199
29	20374337479

[9, 15, 35, 119, 5543, 74447, 90859, 110767, 222179, 389993, 1526849, 2927297, 3626699, 4559939, 24017531, 137051711, 160832099, 229731743, 627699239, 880021141, 1001124539, 1041287603, 1104903617, 1592658611, 1717999139, 8843679683, 15575602979, 15614760199, 20374337479]

cp's OEIS Frontend

A307217 Semiprimes pq such that 2^(p+q) == 1 (mod pq).

Table of values

List of values

cp's OEIS Frontend

A307217 Semiprimes p*q such that 2^(p+q) == 1 (mod p*q).

Table of values

List of values

A307217 Semiprimes pq such that 2^(p+q) == 1 (mod pq).