Main diagonal of the array A059579.

A059580

Main diagonal of the array A059579.

Terms

    a(0) =1a(1) =4a(2) =52a(3) =912a(4) =17992a(5) =377004a(6) =8189036a(7) =182127464a(8) =4118242896a(9) =94264009684

External references