Number of set partitions of [n] into exactly eight parts such that no part contains two elements with a circular distance less than three.
A261484
Number of set partitions of [n] into exactly eight parts such that no part contains two elements with a circular distance less than three.
Terms
- a(0) =1a(1) =18a(2) =210a(3) =1980a(4) =16467a(5) =126126a(6) =912338a(7) =6332055a(8) =42615547a(9) =280182355a(10) =1809148533a(11) =11517941151a(12) =72515126734a(13) =452500330899
External references
- oeis: A261484