Number of n-length words w over a 6-ary alphabet {a1,a2,...,a6} such that #(w,a1) >= #(w,a2) >= ... >= #(w,a6) >= 0, where #(w,x) counts the letters x in word w.
A226876
Number of n-length words w over a 6-ary alphabet {a1,a2,...,a6} such that #(w,a1) >= #(w,a2) >= ... >= #(w,a6) >= 0, where #(w,x) counts the letters x in word w.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =10a(4) =47a(5) =246a(6) =1602a(7) =6441a(8) =35023a(9) =175510a(10) =1017158a(11) =5412111a(12) =33991322a(13) =168112907a(14) =982269641a(15) =5378704155a(16) =31714236863a(17) =174819971462
External references
- oeis: A226876