a(n) = length of n-th run of even terms in A259934.

A263278

a(n) = length of n-th run of even terms in A259934.

Terms

    a(0) =21a(1) =8480a(2) =18162a(3) =78495a(4) =1194707a(5) =1426107a(6) =6029619a(7) =325034101

External references