Number of noncrossing path sets on n nodes up to rotation with each path having a prime number of nodes.

A303732

Number of noncrossing path sets on n nodes up to rotation with each path having a prime number of nodes.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =1a(4) =1a(5) =7a(6) =8a(7) =45a(8) =96a(9) =258a(10) =1260a(11) =2511a(12) =12594a(13) =35799a(14) =126043a(15) =482640a(16) =1487929a(17) =6012740a(18) =20051360a(19) =74529198a(20) =276148256a(21) =977824914a(22) =3744986184a(23) =13527623583a(24) =50997301218a(25) =190934525258a(26) =711190503929

External references