A374183 Numbers k such that K(15 / k) != K((-1)^floor(k/2)*k / 15), where K(a/b) is the Kronecker symbol. Row 4 of A374188.

2, 26, 28, 34, 44, 56, 58, 74, 76, 82, 88, 92, 98, 106, 112, 122, 124, 146, 152, 154, 172, 176, 178, 184, 188, 194, 202, 218, 224, 226, 236, 242, 248, 266, 268, 274, 284, 298, 304, 314, 316, 322, 332, 338, 344, 346, 352, 362, 364, 368, 376, 386, 394, 412, 418

Offset

1,1

Links

Table of n, a(n) for n=1..55.

Prog

(SageMath)  # see A374188
print(A374188_row(4, 350))

Crossrefs

Cf. A374188, A374180, A374181, A374182, A374184.

Cf. A372728 (Kronecker).

Sequence in context: A241202 A278479 A351921 * A022375 A072663 A276176

Adjacent sequences: A374180 A374181 A374182 * A374184 A374185 A374186

Keyword

nonn

Author

Peter Luschny, Jun 30 2024

Status

approved