A337630 - cp's OEIS frontend

A337630 Odd composite integers m such that U(m)^2 == 1 (mod m) and V(m) == 7 (mod m), where U(m) and V(m) are the m-th generalized Lucas and Pell-Lucas numbers of parameters a=7 and b=-1, respectively.

n	a(n)
1	25
2	51
3	91
4	161
5	325
6	425
7	561
8	791
9	1105
10	1633
11	1921
12	2001
13	2465
14	2599
15	2651
16	2737
17	7345
18	8449
19	9361
20	10325
21	10465
22	10825
23	11285
24	12025
25	12291
26	13021
27	15457
28	17111
29	18193
30	18881
31	19307
32	20705
33	20833
34	21931
35	24081
36	24661
37	31521
38	32305
39	37925
40	38801
41	39059
42	40641

[25, 51, 91, 161, 325, 425, 561, 791, 1105, 1633, 1921, 2001, 2465, 2599, 2651, 2737, 7345, 8449, 9361, 10325, 10465, 10825, 11285, 12025, 12291, 13021, 15457, 17111, 18193, 18881, 19307, 20705, 20833, 21931, 24081, 24661, 31521, 32305, 37925, 38801, 39059, 40641]

cp's OEIS Frontend

A337630 Odd composite integers m such that U(m)^2 == 1 (mod m) and V(m) == 7 (mod m), where U(m) and V(m) are the m-th generalized Lucas and Pell-Lucas numbers of parameters a=7 and b=-1, respectively.

Table of values

List of values