Self-convolution of A006125(n) = 2^{n(n-1)/2}.

A136650

Self-convolution of A006125(n) = 2^{n(n-1)/2}.

Terms

    a(0) =1a(1) =2a(2) =5a(3) =20a(4) =148a(5) =2208a(6) =67904a(7) =4264960a(8) =541216768a(9) =137984868352

External references