Triangle read by rows: T(n,k) = number of noncrossing path sets on n nodes up to rotation and reflection with k paths and isolated vertices allowed.

A303868

Triangle read by rows: T(n,k) = number of noncrossing path sets on n nodes up to rotation and reflection with k paths and isolated vertices allowed.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =2a(7) =3a(8) =2a(9) =1a(10) =3a(11) =7a(12) =6a(13) =2a(14) =1a(15) =6a(16) =20a(17) =23a(18) =11a(19) =3a(20) =1a(21) =10a(22) =50a(23) =80a(24) =51a(25) =17a(26) =3a(27) =1a(28) =20a(29) =136

External references