A375816 - cp's OEIS frontend

A375816 Odd numbers k > 1 such that gcd(5,k) = 1 and 5^((k-1)/2) == -(5/k) (mod k), where (5/k) is the Jacobi symbol (or Kronecker symbol); Euler pseudoprimes to base 5 (A262052) that are not Euler-Jacobi pseudoprimes to base 5 (A375914).

n	a(n)
1	217
2	13333
3	16297
4	23653
5	30673
6	44173
7	46657
8	48133
9	56033
10	98173
11	130417
12	131977
13	136137
14	179893
15	188113
16	190513
17	197633
18	267977
19	334153
20	334657
21	347777
22	360533
23	407353
24	412933
25	421637
26	486157
27	667153
28	670033
29	677917
30	694153
31	710533
32	765073
33	839833
34	935137
35	997633

[217, 13333, 16297, 23653, 30673, 44173, 46657, 48133, 56033, 98173, 130417, 131977, 136137, 179893, 188113, 190513, 197633, 267977, 334153, 334657, 347777, 360533, 407353, 412933, 421637, 486157, 667153, 670033, 677917, 694153, 710533, 765073, 839833, 935137, 997633]

cp's OEIS Frontend

A375816 Odd numbers k > 1 such that gcd(5,k) = 1 and 5^((k-1)/2) == -(5/k) (mod k), where (5/k) is the Jacobi symbol (or Kronecker symbol); Euler pseudoprimes to base 5 (A262052) that are not Euler-Jacobi pseudoprimes to base 5 (A375914).

Table of values

List of values