a(n) = 1*8^n + 2*7^n + 3*6^n + 4*5^n + 5*4^n + 6*3^n + 7*2^n + 8*1^n.
A254146
a(n) = 1*8^n + 2*7^n + 3*6^n + 4*5^n + 5*4^n + 6*3^n + 7*2^n + 8*1^n.
Terms
- a(0) =36a(1) =120a(2) =540a(3) =2892a(4) =17172a(5) =109020a(6) =725220a(7) =4992492a(8) =35277012a(9) =254402940a(10) =1864757700a(11) =13850340492a(12) =103996064052a(13) =787943896860
External references
- oeis: A254146