A125231 - cp's OEIS frontend

A125231 Triangle read by rows: T(n,k) = ceiling((k+1)/2)*binomial(n,k) (0 <= k <= n).

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	2
6	1
7	3
8	6
9	2
10	1
11	4
12	12
13	8
14	3
15	1
16	5
17	20
18	20
19	15
20	3
21	1
22	6
23	30
24	40
25	45
26	18
27	4
28	1
29	7
30	42
31	70
32	105
33	63
34	28
35	4
36	1
37	8
38	56
39	112
40	210
41	168
42	112
43	32
44	5
45	1
46	9
47	72
48	168
49	378
50	378
51	336
52	144
53	45
54	5
55	1
56	10
57	90
58	240
59	630
60	756
61	840
62	480
63	225
64	50
65	6
66	1
67	11
68	110
69	330
70	990
71	1386
72	1848

[1, 1, 1, 1, 2, 2, 1, 3, 6, 2, 1, 4, 12, 8, 3, 1, 5, 20, 20, 15, 3, 1, 6, 30, 40, 45, 18, 4, 1, 7, 42, 70, 105, 63, 28, 4, 1, 8, 56, 112, 210, 168, 112, 32, 5, 1, 9, 72, 168, 378, 378, 336, 144, 45, 5, 1, 10, 90, 240, 630, 756, 840, 480, 225, 50, 6, 1, 11, 110, 330, 990, 1386, 1848]

cp's OEIS Frontend

A125231 Triangle read by rows: T(n,k) = ceiling((k+1)/2)*binomial(n,k) (0 <= k <= n).

Table of values

List of values