a(0) = 1; a(n) = Sum_{k=0..floor((n-1)/2)} binomial(n,2*k+1) * a(k) * a(n-2*k-1).
A352435
a(0) = 1; a(n) = Sum_{k=0..floor((n-1)/2)} binomial(n,2*k+1) * a(k) * a(n-2*k-1).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =7a(4) =32a(5) =182a(6) =1244a(7) =9919a(8) =90384a(9) =926552a(10) =10553728a(11) =132231446a(12) =1807390960a(13) =26762801828a(14) =426771821000
External references
- oeis: A352435