cp's OEIS Frontend

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.

%I A374184 #10 Jul 01 2024 19:19:21
%S A374184 2,10,12,18,24,26,28,34,42,44,48,50,56,58,60,66,74,82,88,90,92,96,98,
%T A374184 106,108,112,120,122,124,130,138,140,146,154,156,162,170,172,176,178,
%U A374184 184,186,188,192,194,202,204,210,216,218,220,224,226,234,236,240,242
%N 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.
%o A374184 (SageMath)  # see A374188
%o A374184 print(A374188_row(5, 350))
%Y A374184 Cf. A374188, A374180, A374181, A374182, A374183.
%Y A374184 Cf. A372728 (Kronecker).
%K A374184 nonn
%O A374184 1,1
%A A374184 _Peter Luschny_, Jun 30 2024