a(n) = (n+6)*a(n-1) + (n-1)*a(n-2), a(-1)=0, a(0)=1.
A176733
a(n) = (n+6)*a(n-1) + (n-1)*a(n-2), a(-1)=0, a(0)=1.
Terms
- a(0) =1a(1) =7a(2) =57a(3) =527a(4) =5441a(5) =61959a(6) =770713a(7) =10391023a(8) =150869313a(9) =2346167879a(10) =38896509881a(11) =684702346767
External references
- oeis: A176733