Number of compositions of n into distinct parts where each part i is marked with a word of length i over a senary alphabet whose letters appear in alphabetical order.
A261844
Number of compositions of n into distinct parts where each part i is marked with a word of length i over a senary alphabet whose letters appear in alphabetical order.
Terms
- a(0) =1a(1) =6a(2) =21a(3) =308a(4) =798a(5) =4116a(6) =51114a(7) =126288a(8) =502947a(9) =1912318a(10) =26074881a(11) =55301652a(12) =210871038a(13) =643901916a(14) =2416831656a(15) =32128430000a(16) =64611765009a(17) =218800524222a(18) =625968110257
External references
- oeis: A261844