A141724 - cp's OEIS frontend

A141724 Triangle T(n, k) = Sum_{m=0..k} Sum_{j=0..m} Multinomial(n-k-m-j, j, m, k), read by rows.

n	a(n)
0	1
1	1
2	1
3	1
4	4
5	1
6	1
7	15
8	6
9	1
10	1
11	40
12	36
13	8
14	1
15	1
16	85
17	160
18	60
19	10
20	1
21	1
22	156
23	615
24	340
25	90
26	12
27	1
28	1
29	259
30	2016
31	1715
32	595
33	126
34	14
35	1
36	1
37	400
38	5656
39	7616
40	3500
41	952
42	168
43	16
44	1
45	1
46	585
47	13896
48	30408
49	18396
50	6300
51	1428
52	216
53	18
54	1
55	1
56	820
57	30645
58	109320
59	88620
60	37044
61	10500
62	2040
63	270
64	20
65	1

[1, 1, 1, 1, 4, 1, 1, 15, 6, 1, 1, 40, 36, 8, 1, 1, 85, 160, 60, 10, 1, 1, 156, 615, 340, 90, 12, 1, 1, 259, 2016, 1715, 595, 126, 14, 1, 1, 400, 5656, 7616, 3500, 952, 168, 16, 1, 1, 585, 13896, 30408, 18396, 6300, 1428, 216, 18, 1, 1, 820, 30645, 109320, 88620, 37044, 10500, 2040, 270, 20, 1]

cp's OEIS Frontend

A141724 Triangle T(n, k) = Sum_{m=0..k} Sum_{j=0..m} Multinomial(n-k-m-j, j, m, k), read by rows.

Table of values

List of values