A108759 - cp's OEIS frontend

A108759 Triangle read by rows: T(n,k) = binomial(3k,k)*binomial(n+k,3k)/(2k+1) (0 <= k <= floor(n/2)).

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	4
6	1
7	10
8	3
9	1
10	20
11	21
12	1
13	35
14	84
15	12
16	1
17	56
18	252
19	120
20	1
21	84
22	630
23	660
24	55
25	1
26	120
27	1386
28	2640
29	715
30	1
31	165
32	2772
33	8580
34	5005
35	273
36	1
37	220
38	5148
39	24024
40	25025
41	4368
42	1
43	286
44	9009
45	60060
46	100100
47	37128
48	1428
49	1
50	364
51	15015
52	137280
53	340340
54	222768

[1, 1, 1, 1, 1, 4, 1, 10, 3, 1, 20, 21, 1, 35, 84, 12, 1, 56, 252, 120, 1, 84, 630, 660, 55, 1, 120, 1386, 2640, 715, 1, 165, 2772, 8580, 5005, 273, 1, 220, 5148, 24024, 25025, 4368, 1, 286, 9009, 60060, 100100, 37128, 1428, 1, 364, 15015, 137280, 340340, 222768]

cp's OEIS Frontend

A108759 Triangle read by rows: T(n,k) = binomial(3k,k)*binomial(n+k,3k)/(2k+1) (0 <= k <= floor(n/2)).

Table of values

List of values