a(n) = 8*a(n-1) + 56*a(n-2), n > 2; a(0)=1, a(1)=1, a(2)=15.
A155000
a(n) = 8*a(n-1) + 56*a(n-2), n > 2; a(0)=1, a(1)=1, a(2)=15.
Terms
- a(0) =1a(1) =1a(2) =15a(3) =176a(4) =2248a(5) =27840a(6) =348608a(7) =4347904a(8) =54305280a(9) =677924864a(10) =8464494592a(11) =105679749120
External references
- oeis: A155000