a(n) = 5*n*a(n-1) + 1 with a(0)=1.
A056546
a(n) = 5*n*a(n-1) + 1 with a(0)=1.
Terms
- a(0) =1a(1) =6a(2) =61a(3) =916a(4) =18321a(5) =458026a(6) =13740781a(7) =480927336a(8) =19237093441a(9) =865669204846
External references
- oeis: A056546
A056546
a(n) = 5*n*a(n-1) + 1 with a(0)=1.