Number of compositions of n into distinct parts where each part i is marked with a word of length i over an n-ary alphabet whose letters appear in alphabetical order.

A261837

Number of compositions of n into distinct parts where each part i is marked with a word of length i over an n-ary alphabet whose letters appear in alphabetical order.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =46a(4) =195a(5) =1876a(6) =51114a(7) =322764a(8) =3644355a(9) =43916950a(10) =2427338628a(11) =18277511616a(12) =272107762602

External references