A374187 Least a of the form 4*n - 1 (n>=1) such that there is a positive integer k so that K(a / k) != K((-1)^floor(k/2)*k / a), where K denotes the Kronecker symbol (A372728).

3, 3, 7, 7, 7, 3, 3, 3, 11, 3, 7, 3, 3, 3, 7, 7, 3, 3, 3, 3, 7, 3, 7, 3, 3, 7, 3, 7, 7, 3, 3, 3, 7, 3, 3, 3, 3, 7, 7, 3, 3, 3, 3, 3, 7, 3, 7, 3, 3, 7, 11, 7, 3, 3, 3, 3, 7, 3, 7, 3, 3, 3, 11, 7, 3, 3, 3, 3, 7, 3, 3, 3, 7, 3, 7, 7, 3, 3, 3, 7, 3, 3, 3, 3, 7, 3

Offset: 1

Author

Peter Luschny, Jul 02 2024

Keywords

• nonn

Comments

These values witness the correctness of A374189. They seem to grow very slowly.

Crossrefs

Cf. A374189, A374188, A372728.