Partial sums of A052379.

Terms

a(0) =0a(1) =8a(2) =80a(3) =664a(4) =5344a(5) =42792a(6) =342384a(7) =2739128a(8) =21913088a(9) =175304776a(10) =1402438288a(11) =11219506392a(12) =89756051232a(13) =718048409960