a(1)=1, a(n) = n*25^(n-1) + a(n-1).
A014943
a(1)=1, a(n) = n*25^(n-1) + a(n-1).
Terms
- a(0) =1a(1) =51a(2) =1926a(3) =64426a(4) =2017551a(5) =60611301a(6) =1769595676a(7) =50597720676
External references
- oeis: A014943
A014943
a(1)=1, a(n) = n*25^(n-1) + a(n-1).