a(1) = 1, then {sum of terms of the n-th group in A075631}/{sum of (n-1)-th group}.
A075632
a(1) = 1, then {sum of terms of the n-th group in A075631}/{sum of (n-1)-th group}.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =13a(4) =30a(5) =9a(6) =1043a(7) =33912a(8) =59790655
External references
- oeis: A075632