Number of sets of noncrossing paths whose nodes are a subset of n nodes arranged in a circle with one node paths allowed.
A390907
Number of sets of noncrossing paths whose nodes are a subset of n nodes arranged in a circle with one node paths allowed.
Terms
- a(0) =1a(1) =2a(2) =5a(3) =17a(4) =75a(5) =392a(6) =2317a(7) =15269a(8) =111217a(9) =885878a(10) =7637889a(11) =70724381a(12) =699254467a(13) =7346685140a(14) =81675395449a(15) =957180276833
External references
- oeis: A390907