A213864 - cp's OEIS frontend

A213864 Number of words w where each letter of the n-ary alphabet occurs 4 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	19
3	1075
4	115955
5	19558470
6	4622269345
7	1428739165560
8	551211090935595
9	256653852463806955
10	140633739174235040170
11	88931024447225475920050
12	63897452586372538310261555
13	51509615229665486538200354125
14	46102293227619069563429377126200

[1, 1, 19, 1075, 115955, 19558470, 4622269345, 1428739165560, 551211090935595, 256653852463806955, 140633739174235040170, 88931024447225475920050, 63897452586372538310261555, 51509615229665486538200354125, 46102293227619069563429377126200]

cp's OEIS Frontend

A213864 Number of words w where each letter of the n-ary alphabet occurs 4 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