Recurrence: a(n) = Sum_{k=0..n-1} C(2*n-1,n-k-1)*a(k) with a(0)=1.
A110531
Recurrence: a(n) = Sum_{k=0..n-1} C(2*n-1,n-k-1)*a(k) with a(0)=1.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =19a(4) =103a(5) =628a(6) =4258a(7) =31753a(8) =257815a(9) =2259718a(10) =21230800a(11) =212579938a(12) =2257364371a(13) =25315773751a(14) =298758986356
External references
- oeis: A110531