(Terms in A014759)/4.

Terms

a(0) =169a(1) =22801a(2) =3600a(3) =1946309689a(4) =53348416a(5) =63001a(6) =429256901329a(7) =51799939216a(8) =572166400a(11) =1036324a(16) =547397258769