a(n) = n^2*a(n-1)+1, a(1)=0.A074703a(n) = n^2*a(n-1)+1, a(1)=0.Terms a(0) =0a(1) =1a(2) =10a(3) =161a(4) =4026a(5) =144937a(6) =7101914a(7) =454522497a(8) =36816322258External referencesoeis: A074703