a(n) = Sum_{k=1..10} n^k.

Terms

a(0) =0a(1) =10a(2) =2046a(3) =88572a(4) =1398100a(5) =12207030a(6) =72559410a(7) =329554456a(8) =1227133512a(9) =3922632450a(10) =11111111110a(11) =28531167060a(12) =67546215516a(13) =149346699502a(14) =311505013050a(15) =617839704240