A109983 - cp's OEIS frontend

A109983 Triangle read by rows: T(n, k) (0<=k<=2n) is the number of Delannoy paths of length n, having k steps.

n	a(n)
0	1
1	0
2	1
3	2
4	0
5	0
6	1
7	6
8	6
9	0
10	0
11	0
12	1
13	12
14	30
15	20
16	0
17	0
18	0
19	0
20	1
21	20
22	90
23	140
24	70
25	0
26	0
27	0
28	0
29	0
30	1
31	30
32	210
33	560
34	630
35	252
36	0
37	0
38	0
39	0
40	0
41	0
42	1
43	42
44	420
45	1680
46	3150
47	2772
48	924
49	0
50	0
51	0
52	0
53	0
54	0
55	0
56	1
57	56
58	756
59	4200
60	11550
61	16632
62	12012
63	3432

[1, 0, 1, 2, 0, 0, 1, 6, 6, 0, 0, 0, 1, 12, 30, 20, 0, 0, 0, 0, 1, 20, 90, 140, 70, 0, 0, 0, 0, 0, 1, 30, 210, 560, 630, 252, 0, 0, 0, 0, 0, 0, 1, 42, 420, 1680, 3150, 2772, 924, 0, 0, 0, 0, 0, 0, 0, 1, 56, 756, 4200, 11550, 16632, 12012, 3432]

cp's OEIS Frontend

A109983 Triangle read by rows: T(n, k) (0<=k<=2n) is the number of Delannoy paths of length n, having k steps.

Table of values

List of values