Smallest square that can be expressed as Sum_{i=1..n} p(2i-1)^p(2i) where p is a permutation of {1, 2, 3, ..., 2n}.

A372652

Smallest square that can be expressed as Sum_{i=1..n} p(2i-1)^p(2i) where p is a permutation of {1, 2, 3, ..., 2n}.

Terms

    a(0) =1a(1) =9a(2) =1089a(3) =1225a(4) =25921a(5) =372100a(6) =3530641a(7) =55890576a(8) =1682148196

External references