Sum of the entries in the first blocks of all set partitions of [n].

A285363

Sum of the entries in the first blocks of all set partitions of [n].

Terms

    a(0) =1a(1) =4a(2) =15a(3) =60a(4) =262a(5) =1243a(6) =6358a(7) =34835a(8) =203307a(9) =1257913a(10) =8216945a(11) =56463487a(12) =406868167a(13) =3065920770a(14) =24099977863a(15) =197179545722

External references