Triangle read by rows: T(n,k) is the number of noncrossing path sets on n nodes with k paths and each path having at least two nodes, 0 <= k <= floor(n/2).
A390908
Triangle read by rows: T(n,k) is the number of noncrossing path sets on n nodes with k paths and each path having at least two nodes, 0 <= k <= floor(n/2).
Terms
- a(0) =1a(1) =0a(2) =0a(3) =1a(4) =0a(5) =3a(6) =0a(7) =8a(8) =2a(9) =0a(10) =20a(11) =15a(12) =0a(13) =48a(14) =75a(15) =5a(16) =0a(17) =112a(18) =308a(19) =63a(20) =0a(21) =256a(22) =1120a(23) =476a(24) =14a(25) =0a(26) =576a(27) =3744a(28) =2772a(29) =252
External references
- oeis: A390908