Total number of nested arcs in the set partitions of n.
A200673
Total number of nested arcs in the set partitions of n.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =1a(4) =16a(5) =170a(6) =1549a(7) =13253a(8) =110970a(9) =928822a(10) =7862353a(11) =67758488a(12) =596837558a(13) =5385257886a(14) =49837119320a(15) =473321736911
External references
- oeis: A200673