169603

Appears in sequences

• Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 1000-1111-0100-0100 pattern in any orientation.at n=16A146829
• Fundamental discriminant D < 0 with the least absolute value such that the smallest prime p such that Kronecker(D,p) = 1 is p = prime(n), negated.at n=16A330161