Numerator of Z^(2)(n), where Z^(2)(n) = n for n=0,1; thereafter Z^(2)(n) = (1/3)*Sum_{k=1..n-1} Stirling_2(n,k)*Z^(2)(k).
A246307
Numerator of Z^(2)(n), where Z^(2)(n) = n for n=0,1; thereafter Z^(2)(n) = (1/3)*Sum_{k=1..n-1} Stirling_2(n,k)*Z^(2)(k).
Terms
- a(0) =0a(1) =1a(2) =1a(3) =5a(4) =6a(5) =399a(6) =10137a(7) =364737a(8) =2206077a(9) =276269667a(10) =21732613641
External references
- oeis: A246307