a(1)=1, a(n) = 19*a(n-1) + n.

A014903

a(1)=1, a(n) = 19*a(n-1) + n.

Terms

    a(0) =1a(1) =21a(2) =402a(3) =7642a(4) =145203a(5) =2758863a(6) =52418404a(7) =995949684a(8) =18923044005a(9) =359537836105

External references