A307798 - cp's OEIS frontend

A307798 The "residue" pseudoprimes: odd composite numbers n such that q(n)^((n-1)/2) == 1 (mod n), where base q(n) is the smallest prime quadratic residue modulo n.

n	a(n)
1	121
2	561
3	1105
4	1541
5	1729
6	1905
7	2465
8	4033
9	5611
10	8321
11	8481
12	10585
13	15709
14	15841
15	16297
16	18705
17	18721
18	19345
19	25761
20	28009
21	29341
22	30121
23	31697
24	33153
25	34945
26	42799
27	44173
28	46657
29	49141
30	52633
31	55969
32	62745
33	63973
34	65077
35	69781
36	75361
37	76627
38	79381
39	82513
40	85489
41	88573
42	90241
43	102311

[121, 561, 1105, 1541, 1729, 1905, 2465, 4033, 5611, 8321, 8481, 10585, 15709, 15841, 16297, 18705, 18721, 19345, 25761, 28009, 29341, 30121, 31697, 33153, 34945, 42799, 44173, 46657, 49141, 52633, 55969, 62745, 63973, 65077, 69781, 75361, 76627, 79381, 82513, 85489, 88573, 90241, 102311]

cp's OEIS Frontend

A307798 The "residue" pseudoprimes: odd composite numbers n such that q(n)^((n-1)/2) == 1 (mod n), where base q(n) is the smallest prime quadratic residue modulo n.

Table of values

List of values