a(n) = (n! - 10)/10.

A139185

a(n) = (n! - 10)/10.

Terms

    a(0) =11a(1) =71a(2) =503a(3) =4031a(4) =36287a(5) =362879a(6) =3991679a(7) =47900159a(8) =622702079a(9) =8717829119a(10) =130767436799

External references