A144480 - cp's OEIS frontend

A144480 T(n,k) = binomial(n, k)*min(k + 1, n - k + 1), triangle read by rows (n >= 0, 0 <= k <= n).

n	a(n)
0	1
1	1
2	1
3	1
4	4
5	1
6	1
7	6
8	6
9	1
10	1
11	8
12	18
13	8
14	1
15	1
16	10
17	30
18	30
19	10
20	1
21	1
22	12
23	45
24	80
25	45
26	12
27	1
28	1
29	14
30	63
31	140
32	140
33	63
34	14
35	1
36	1
37	16
38	84
39	224
40	350
41	224
42	84
43	16
44	1
45	1
46	18
47	108
48	336
49	630
50	630
51	336
52	108
53	18
54	1
55	1
56	20
57	135
58	480
59	1050
60	1512
61	1050
62	480
63	135
64	20
65	1

[1, 1, 1, 1, 4, 1, 1, 6, 6, 1, 1, 8, 18, 8, 1, 1, 10, 30, 30, 10, 1, 1, 12, 45, 80, 45, 12, 1, 1, 14, 63, 140, 140, 63, 14, 1, 1, 16, 84, 224, 350, 224, 84, 16, 1, 1, 18, 108, 336, 630, 630, 336, 108, 18, 1, 1, 20, 135, 480, 1050, 1512, 1050, 480, 135, 20, 1]

cp's OEIS Frontend

A144480 T(n,k) = binomial(n, k)*min(k + 1, n - k + 1), triangle read by rows (n >= 0, 0 <= k <= n).

Table of values

List of values