Number T(n,k) of linear chord diagrams having n chords and minimal chord length k (or k=0 if n=0); triangle T(n,k), n>=0, 0<=k<=n, read by rows.
A293881
Number T(n,k) of linear chord diagrams having n chords and minimal chord length k (or k=0 if n=0); triangle T(n,k), n>=0, 0<=k<=n, read by rows.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =0a(4) =2a(5) =1a(6) =0a(7) =10a(8) =4a(9) =1a(10) =0a(11) =69a(12) =26a(13) =9a(14) =1a(15) =0a(16) =616a(17) =230a(18) =79a(19) =19a(20) =1a(21) =0a(22) =6740a(23) =2509a(24) =854a(25) =252a(26) =39a(27) =1a(28) =0a(29) =87291
External references
- oeis: A293881