Sum of the entries in the last blocks of all set partitions of [n].
A285424
Sum of the entries in the last blocks of all set partitions of [n].
Terms
- a(0) =1a(1) =5a(2) =19a(3) =75a(4) =323a(5) =1512a(6) =7630a(7) =41245a(8) =237573a(9) =1451359a(10) =9365361a(11) =63604596a(12) =453206838a(13) =3378581609a(14) =26285755211a(15) =212953670251
External references
- oeis: A285424