A118976 - cp's OEIS frontend

A118976 Triangle read by rows: T(n,k) = binomial(n-1,k-1)binomial(n,k-1)/k + binomial(n-1,k)binomial(n,k)/(k+1) (1 <= k <= n). In other words, to each entry of the Narayana triangle (A001263) add the entry on its right.

n	a(n)
1	1
2	2
3	1
4	4
5	4
6	1
7	7
8	12
9	7
10	1
11	11
12	30
13	30
14	11
15	1
16	16
17	65
18	100
19	65
20	16
21	1
22	22
23	126
24	280
25	280
26	126
27	22
28	1
29	29
30	224
31	686
32	980
33	686
34	224
35	29
36	1
37	37
38	372
39	1512
40	2940
41	2940
42	1512
43	372
44	37
45	1
46	46
47	585
48	3060
49	7812
50	10584
51	7812
52	3060
53	585
54	46
55	1
56	56
57	880
58	5775
59	18810
60	33264
61	33264
62	18810
63	5775
64	880
65	56
66	1

[1, 2, 1, 4, 4, 1, 7, 12, 7, 1, 11, 30, 30, 11, 1, 16, 65, 100, 65, 16, 1, 22, 126, 280, 280, 126, 22, 1, 29, 224, 686, 980, 686, 224, 29, 1, 37, 372, 1512, 2940, 2940, 1512, 372, 37, 1, 46, 585, 3060, 7812, 10584, 7812, 3060, 585, 46, 1, 56, 880, 5775, 18810, 33264, 33264, 18810, 5775, 880, 56, 1]

cp's OEIS Frontend

A118976 Triangle read by rows: T(n,k) = binomial(n-1,k-1)binomial(n,k-1)/k + binomial(n-1,k)binomial(n,k)/(k+1) (1 <= k <= n). In other words, to each entry of the Narayana triangle (A001263) add the entry on its right.

Table of values

List of values

cp's OEIS Frontend

A118976 Triangle read by rows: T(n,k) = binomial(n-1,k-1)*binomial(n,k-1)/k + binomial(n-1,k)*binomial(n,k)/(k+1) (1 <= k <= n). In other words, to each entry of the Narayana triangle (A001263) add the entry on its right.

Table of values

List of values

A118976 Triangle read by rows: T(n,k) = binomial(n-1,k-1)binomial(n,k-1)/k + binomial(n-1,k)binomial(n,k)/(k+1) (1 <= k <= n). In other words, to each entry of the Narayana triangle (A001263) add the entry on its right.