Number of ways to partition n labeled elements into sets of sizes of at least 2 and order the sets.
A032032
Number of ways to partition n labeled elements into sets of sizes of at least 2 and order the sets.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =1a(4) =7a(5) =21a(6) =141a(7) =743a(8) =5699a(9) =42241a(10) =382153a(11) =3586155a(12) =38075247a(13) =428102117a(14) =5257446533a(15) =68571316063a(16) =959218642651
External references
- oeis: A032032