A137634 - cp's OEIS frontend

A137634 Square array where T(n,k) = Sum_{j=0..k} C(n+2j,j)C(n+2*j,k-j), read by antidiagonals.

n	a(n)
0	1
1	1
2	2
3	1
4	4
5	10
6	1
7	6
8	19
9	46
10	1
11	8
12	32
13	94
14	226
15	1
16	10
17	49
18	170
19	474
20	1136
21	1
22	12
23	70
24	282
25	899
26	2431
27	5810
28	1
29	14
30	95
31	438
32	1577
33	4764
34	12609
35	30080
36	1
37	16
38	124
39	646
40	2600
41	8701
42	25318
43	65972
44	157162
45	1
46	18
47	157
48	914
49	4076
50	15000
51	47682
52	134964
53	347524
54	826992

[1, 1, 2, 1, 4, 10, 1, 6, 19, 46, 1, 8, 32, 94, 226, 1, 10, 49, 170, 474, 1136, 1, 12, 70, 282, 899, 2431, 5810, 1, 14, 95, 438, 1577, 4764, 12609, 30080, 1, 16, 124, 646, 2600, 8701, 25318, 65972, 157162, 1, 18, 157, 914, 4076, 15000, 47682, 134964, 347524, 826992]

cp's OEIS Frontend

A137634 Square array where T(n,k) = Sum_{j=0..k} C(n+2j,j)C(n+2*j,k-j), read by antidiagonals.

Table of values

List of values

cp's OEIS Frontend

A137634 Square array where T(n,k) = Sum_{j=0..k} C(n+2*j,j)*C(n+2*j,k-j), read by antidiagonals.

Table of values

List of values

A137634 Square array where T(n,k) = Sum_{j=0..k} C(n+2j,j)C(n+2*j,k-j), read by antidiagonals.