Triangle read by rows: T(n,k) is the number of crystallized linear chord diagrams on n chords with k short chords.
A375504
Triangle read by rows: T(n,k) is the number of crystallized linear chord diagrams on n chords with k short chords.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =1a(6) =6a(7) =12a(8) =6a(9) =1a(10) =24a(11) =62a(12) =39a(13) =10a(14) =1a(15) =120a(16) =396a(17) =296a(18) =95a(19) =15a(20) =1a(21) =720a(22) =3024a(23) =2616a(24) =980a(25) =195a(26) =21a(27) =1a(28) =5040a(29) =26928
External references
- oeis: A375504