A226877 - cp's OEIS frontend

A226877 Number of n-length words w over a 7-ary alphabet {a1,a2,...,a7} such that #(w,a1) >= #(w,a2) >= ... >= #(w,a7) >= 0, where #(w,x) counts the letters x in word w.

n	a(n)
0	1
1	1
2	3
3	10
4	47
5	246
6	1602
7	11481
8	55183
9	326710
10	1924358
11	11843151
12	76569242
13	494393147
14	3419744681
15	20455085475
16	133157018303
17	860006815622
18	5660947113750
19	37583646117555
20	249434965500622
21	1713067949756985
22	11030202759647591
23	73747039462964885

[1, 1, 3, 10, 47, 246, 1602, 11481, 55183, 326710, 1924358, 11843151, 76569242, 494393147, 3419744681, 20455085475, 133157018303, 860006815622, 5660947113750, 37583646117555, 249434965500622, 1713067949756985, 11030202759647591, 73747039462964885]

cp's OEIS Frontend

A226877 Number of n-length words w over a 7-ary alphabet {a1,a2,...,a7} such that #(w,a1) >= #(w,a2) >= ... >= #(w,a7) >= 0, where #(w,x) counts the letters x in word w.

Table of values

List of values