Number of compositions of n into distinct parts where each part i is marked with a word of length i over a septenary alphabet whose letters appear in alphabetical order.
A261845
Number of compositions of n into distinct parts where each part i is marked with a word of length i over a septenary alphabet whose letters appear in alphabetical order.
Terms
- a(0) =1a(1) =7a(2) =28a(3) =476a(4) =1386a(5) =8106a(6) =117936a(7) =322764a(8) =1440579a(9) =6172495a(10) =99773646a(11) =232110704a(12) =981073576a(13) =3329628176a(14) =14040114012a(15) =224848217580a(16) =490210909629
External references
- oeis: A261845