The general form of the recurrences are the a(j), b(j) and n(j) solutions of the 2 equations problem: 5*n(j)+1 = a(j)*a(j) and 7*n(j)+1 = b(j)*b(j) with positive integer numbers.

A159681

The general form of the recurrences are the a(j), b(j) and n(j) solutions of the 2 equations problem: 5*n(j)+1 = a(j)*a(j) and 7*n(j)+1 = b(j)*b(j) with positive integer numbers.