A213863 - cp's OEIS frontend

A213863 Number of words w where each letter of the n-ary alphabet occurs 3 times and 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	1
2	7
3	106
4	2575
5	87595
6	3864040
7	210455470
8	13681123135
9	1035588754375
10	89575852312675
11	8724157965777400
12	945424197750836500
13	112891958206958894500
14	14733016566584898017500
15	2086947723639167040631750
16	318968341048949169038143375

[1, 1, 7, 106, 2575, 87595, 3864040, 210455470, 13681123135, 1035588754375, 89575852312675, 8724157965777400, 945424197750836500, 112891958206958894500, 14733016566584898017500, 2086947723639167040631750, 318968341048949169038143375]

cp's OEIS Frontend

A213863 Number of words w where each letter of the n-ary alphabet occurs 3 times and 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