Special solutions to abs(sigma(x+1) - sigma(x)) = 2 where x + 1 = 3^y.

A112646

Special solutions to abs(sigma(x+1) - sigma(x)) = 2 where x + 1 = 3^y.

Terms

    a(0) =8a(1) =26a(2) =2186a(3) =1594322

External references