A291755 - cp's OEIS frontend

A291755 Compound filter (multiplicative order of 2 mod 2n+1 & eulerphi(2n+1)): a(n) = P(A002326(n), A037225(n)), where P(n,k) is sequence A000027 used as a pairing function.

n	a(n)
0	1
1	5
2	25
3	31
4	61
5	181
6	265
7	59
8	261
9	613
10	142
11	507
12	761
13	613
14	1513
15	566
16	416
17	607
18	2521
19	607
20	1731
21	1499
22	607
23	2301
24	1912
25	749
26	5305
27	1731
28	1396
29	6613
30	7081
31	826
32	1723
33	8581
34	2102
35	5391
36	3169
37	1731
38	3946
39	6709
40	5725
41	13285
42	2493
43	3431
44	4764
45	3415
46	2356
47	5707
48	10201
49	3946
50	19801
51	11527

[1, 5, 25, 31, 61, 181, 265, 59, 261, 613, 142, 507, 761, 613, 1513, 566, 416, 607, 2521, 607, 1731, 1499, 607, 2301, 1912, 749, 5305, 1731, 1396, 6613, 7081, 826, 1723, 8581, 2102, 5391, 3169, 1731, 3946, 6709, 5725, 13285, 2493, 3431, 4764, 3415, 2356, 5707, 10201, 3946, 19801, 11527]

cp's OEIS Frontend

A291755 Compound filter (multiplicative order of 2 mod 2n+1 & eulerphi(2n+1)): a(n) = P(A002326(n), A037225(n)), where P(n,k) is sequence A000027 used as a pairing function.

Table of values

List of values