Maximal length of chain-addition sequence mod 10 with window of size n.

A181190

Maximal length of chain-addition sequence mod 10 with window of size n.

Terms

    a(0) =1a(1) =60a(2) =124a(3) =1560a(4) =4686a(5) =1456a(6) =18744a(7) =585936a(8) =4882810a(9) =212784

External references