Number of n-length words w over 8-ary alphabet such that for every prefix z of w we have #(z,a_i) = 0 or #(z,a_i) >= #(z,a_j) for all j>i and #(z,a_i) counts the occurrences of the i-th letter in z.
A213296
Number of n-length words w over 8-ary alphabet such that for every prefix z of w we have #(z,a_i) = 0 or #(z,a_i) >= #(z,a_j) for all j>i and #(z,a_i) counts the occurrences of the i-th letter in z.
Terms
- a(0) =1a(1) =8a(2) =64a(3) =428a(4) =2556a(5) =13224a(6) =60600a(7) =250062a(8) =977026a(9) =3754472a(10) =14486158a(11) =56109736a(12) =220213038a(13) =875120922a(14) =3539254104a(15) =14534439529a(16) =60794185555a(17) =258385808222
External references
- oeis: A213296