Central terms of triangle A124328; a(n) = A124328(2n+1,n+1) for n>=0.
A124889
Central terms of triangle A124328; a(n) = A124328(2n+1,n+1) for n>=0.
Terms
- a(0) =1a(1) =2a(2) =9a(3) =44a(4) =235a(5) =1296a(6) =7329a(7) =42104a(8) =244719a(9) =1434840a(10) =8470517a(11) =50280372a(12) =299806572a(13) =1794382548a(14) =10773855210a(15) =64865425760a(16) =391457133672
External references
- oeis: A124889