A226879 - cp's OEIS frontend

A226879 Number of n-length words w over a 9-ary alphabet {a1,a2,...,a9} such that #(w,a1) >= #(w,a2) >= ... >= #(w,a9) >= 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	95503
9	871030
10	5250758
11	38454351
12	273492122
13	2051148347
14	15736849481
15	125536061475
16	1041102777023
17	8537848507142
18	74739775725270
19	569218702884915
20	4674633861692302
21	37899687815748825
22	312237339834676391
23	2586068757754063445

[1, 1, 3, 10, 47, 246, 1602, 11481, 95503, 871030, 5250758, 38454351, 273492122, 2051148347, 15736849481, 125536061475, 1041102777023, 8537848507142, 74739775725270, 569218702884915, 4674633861692302, 37899687815748825, 312237339834676391, 2586068757754063445]

cp's OEIS Frontend

A226879 Number of n-length words w over a 9-ary alphabet {a1,a2,...,a9} such that #(w,a1) >= #(w,a2) >= ... >= #(w,a9) >= 0, where #(w,x) counts the letters x in word w.

Table of values

List of values