Number of ways to partition n labeled elements into sets of different sizes of at least 2 and order the sets.

A032013

Number of ways to partition n labeled elements into sets of different sizes of at least 2 and order the sets.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =1a(4) =1a(5) =21a(6) =31a(7) =113a(8) =169a(9) =8053a(10) =15871a(11) =71325a(12) =300147a(13) =816401a(14) =63105953a(15) =161203747a(16) =856049593a(17) =4050514725a(18) =25570388671a(19) =80377109117

External references