A226873 - cp's OEIS frontend

A226873 Number A(n,k) of n-length words w over a k-ary alphabet {a1,a2,...,ak} such that #(w,a1) >= #(w,a2) >= ... >= #(w,ak) >= 0, where #(w,x) counts the letters x in word w; square array A(n,k), n>=0, k>=0, read by antidiagonals.

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	1
7	1
8	1
9	0
10	1
11	1
12	3
13	1
14	0
15	1
16	1
17	3
18	4
19	1
20	0
21	1
22	1
23	3
24	10
25	11
26	1
27	0
28	1
29	1
30	3
31	10
32	23
33	16
34	1
35	0
36	1
37	1
38	3
39	10
40	47
41	66
42	42
43	1
44	0
45	1
46	1
47	3
48	10
49	47
50	126
51	222
52	64
53	1
54	0
55	1
56	1
57	3
58	10
59	47
60	246
61	522
62	561
63	163
64	1
65	0
66	1
67	1
68	3
69	10
70	47
71	246
72	882
73	1821
74	1647
75	256
76	1
77	0

[1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 3, 1, 0, 1, 1, 3, 4, 1, 0, 1, 1, 3, 10, 11, 1, 0, 1, 1, 3, 10, 23, 16, 1, 0, 1, 1, 3, 10, 47, 66, 42, 1, 0, 1, 1, 3, 10, 47, 126, 222, 64, 1, 0, 1, 1, 3, 10, 47, 246, 522, 561, 163, 1, 0, 1, 1, 3, 10, 47, 246, 882, 1821, 1647, 256, 1, 0]

cp's OEIS Frontend

A226873 Number A(n,k) of n-length words w over a k-ary alphabet {a1,a2,...,ak} such that #(w,a1) >= #(w,a2) >= ... >= #(w,ak) >= 0, where #(w,x) counts the letters x in word w; square array A(n,k), n>=0, k>=0, read by antidiagonals.

Table of values

List of values