Partial sums of floor(8^n/9)/7.

Terms

a(0) =0a(1) =1a(2) =9a(3) =74a(4) =594a(5) =4755a(6) =38043a(7) =304348a(8) =2434788a(9) =19478309a(10) =155826477a(11) =1246611822a(12) =9972894582a(13) =79783156663a(14) =638265253311