Triangle read by rows, T(n,k) = GegenbauerC(m,-n,-3/2) where m = k if k<n else 2*n-k, for n>=0 and 0<=k<=2n.
A272866
Triangle read by rows, T(n,k) = GegenbauerC(m,-n,-3/2) where m = k if k<n else 2*n-k, for n>=0 and 0<=k<=2n.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =1a(4) =1a(5) =6a(6) =11a(7) =6a(8) =1a(9) =1a(10) =9a(11) =30a(12) =45a(13) =30a(14) =9a(15) =1a(16) =1a(17) =12a(18) =58a(19) =144a(20) =195a(21) =144a(22) =58a(23) =12a(24) =1a(25) =1a(26) =15a(27) =95a(28) =330a(29) =685
External references
- oeis: A272866