A364361 - cp's OEIS frontend

A364361 Table read by rows. T(n, k) = Sum_{j=0..n-k} kbinomial(k, j)binomial(n - j, k).

n	a(n)
0	0
1	0
2	1
3	0
4	3
5	2
6	0
7	5
8	10
9	3
10	0
11	7
12	26
13	21
14	4
15	0
16	9
17	50
18	75
19	36
20	5
21	0
22	11
23	82
24	189
25	164
26	55
27	6
28	0
29	13
30	122
31	387
32	516
33	305
34	78
35	7
36	0
37	15
38	170
39	693
40	1284
41	1155
42	510
43	105
44	8
45	0
46	17
47	226
48	1131
49	2724
50	3405
51	2262
52	791
53	136
54	9
55	0
56	19
57	290
58	1725
59	5156
60	8415
61	7734
62	4025
63	1160
64	171
65	10

[0, 0, 1, 0, 3, 2, 0, 5, 10, 3, 0, 7, 26, 21, 4, 0, 9, 50, 75, 36, 5, 0, 11, 82, 189, 164, 55, 6, 0, 13, 122, 387, 516, 305, 78, 7, 0, 15, 170, 693, 1284, 1155, 510, 105, 8, 0, 17, 226, 1131, 2724, 3405, 2262, 791, 136, 9, 0, 19, 290, 1725, 5156, 8415, 7734, 4025, 1160, 171, 10]

cp's OEIS Frontend

A364361 Table read by rows. T(n, k) = Sum_{j=0..n-k} kbinomial(k, j)binomial(n - j, k).

Table of values

List of values

cp's OEIS Frontend

A364361 Table read by rows. T(n, k) = Sum_{j=0..n-k} k*binomial(k, j)*binomial(n - j, k).

Table of values

List of values

A364361 Table read by rows. T(n, k) = Sum_{j=0..n-k} kbinomial(k, j)binomial(n - j, k).