A226874 - cp's OEIS frontend

A226874 Number T(n,k) of n-length words w over a k-ary alphabet {a1, a2, ..., ak} such that #(w,a1) >= #(w,a2) >= ... >= #(w,ak) >= 1, where #(w,x) counts the letters x in word w; triangle T(n,k), n >= 0, 0 <= k <= n, read by rows.

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	2
6	0
7	1
8	3
9	6
10	0
11	1
12	10
13	12
14	24
15	0
16	1
17	15
18	50
19	60
20	120
21	0
22	1
23	41
24	180
25	300
26	360
27	720
28	0
29	1
30	63
31	497
32	1260
33	2100
34	2520
35	5040
36	0
37	1
38	162
39	1484
40	6496
41	10080
42	16800
43	20160
44	40320
45	0
46	1
47	255
48	5154
49	20916
50	58464
51	90720
52	151200
53	181440
54	362880

[1, 0, 1, 0, 1, 2, 0, 1, 3, 6, 0, 1, 10, 12, 24, 0, 1, 15, 50, 60, 120, 0, 1, 41, 180, 300, 360, 720, 0, 1, 63, 497, 1260, 2100, 2520, 5040, 0, 1, 162, 1484, 6496, 10080, 16800, 20160, 40320, 0, 1, 255, 5154, 20916, 58464, 90720, 151200, 181440, 362880]

cp's OEIS Frontend

A226874 Number T(n,k) of n-length words w over a k-ary alphabet {a1, a2, ..., ak} such that #(w,a1) >= #(w,a2) >= ... >= #(w,ak) >= 1, where #(w,x) counts the letters x in word w; triangle T(n,k), n >= 0, 0 <= k <= n, read by rows.

Table of values

List of values