A213296 - cp's OEIS frontend

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.

n	a(n)
0	1
1	8
2	64
3	428
4	2556
5	13224
6	60600
7	250062
8	977026
9	3754472
10	14486158
11	56109736
12	220213038
13	875120922
14	3539254104
15	14534439529
16	60794185555
17	258385808222
18	1118113946883
19	4915589687030
20	21983704654711
21	99825770573061
22	460645444681024
23	2156595097630195

[1, 8, 64, 428, 2556, 13224, 60600, 250062, 977026, 3754472, 14486158, 56109736, 220213038, 875120922, 3539254104, 14534439529, 60794185555, 258385808222, 1118113946883, 4915589687030, 21983704654711, 99825770573061, 460645444681024, 2156595097630195]

cp's OEIS Frontend

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.

Table of values

List of values