A374184 Numbers k such that K(19 / k) != K((-1)^floor(k/2)*k / 19), where K(a/b) is the Kronecker symbol. Row 5 of A374188.

2, 10, 12, 18, 24, 26, 28, 34, 42, 44, 48, 50, 56, 58, 60, 66, 74, 82, 88, 90, 92, 96, 98, 106, 108, 112, 120, 122, 124, 130, 138, 140, 146, 154, 156, 162, 170, 172, 176, 178, 184, 186, 188, 192, 194, 202, 204, 210, 216, 218, 220, 224, 226, 234, 236, 240, 242

Offset

1,1

Links

Table of n, a(n) for n=1..57.

Prog

(SageMath)  # see A374188
print(A374188_row(5, 350))

Crossrefs

Cf. A374188, A374180, A374181, A374182, A374183.

Cf. A372728 (Kronecker).

Sequence in context: A104238 A053069 A374189 * A374182 A374181 A178504

Adjacent sequences: A374181 A374182 A374183 * A374185 A374186 A374187

Keyword

nonn

Author

Peter Luschny, Jun 30 2024

Status

approved