a(n) = n^10 - n.

Terms

a(0) =0a(1) =0a(2) =1022a(3) =59046a(4) =1048572a(5) =9765620a(6) =60466170a(7) =282475242a(8) =1073741816a(9) =3486784392a(10) =9999999990a(11) =25937424590a(12) =61917364212a(13) =137858491836a(14) =289254654962a(15) =576650390610