Numbers n such that A005210(n) = A005210(n-1).

A256962

Numbers n such that A005210(n) = A005210(n-1).

Terms

    a(0) =2a(1) =90a(2) =98a(3) =5518a(4) =40722a(5) =2487370a(6) =16433978a(7) =20034266

External references