A119307 - cp's OEIS frontend

A119307 Triangle read by rows: T(n, k) = Sum_{j=0..n} C(j, k)*C(j, n - k).

n	a(n)
0	1
1	1
2	1
3	1
4	5
5	1
6	1
7	11
8	11
9	1
10	1
11	19
12	46
13	19
14	1
15	1
16	29
17	127
18	127
19	29
20	1
21	1
22	41
23	281
24	517
25	281
26	41
27	1
28	1
29	55
30	541
31	1579
32	1579
33	541
34	55
35	1
36	1
37	71
38	946
39	4001
40	6376
41	4001
42	946
43	71
44	1
45	1
46	89
47	1541
48	8889
49	20626
50	20626
51	8889
52	1541
53	89
54	1
55	1
56	109
57	2377
58	17907
59	56904
60	82994

[1, 1, 1, 1, 5, 1, 1, 11, 11, 1, 1, 19, 46, 19, 1, 1, 29, 127, 127, 29, 1, 1, 41, 281, 517, 281, 41, 1, 1, 55, 541, 1579, 1579, 541, 55, 1, 1, 71, 946, 4001, 6376, 4001, 946, 71, 1, 1, 89, 1541, 8889, 20626, 20626, 8889, 1541, 89, 1, 1, 109, 2377, 17907, 56904, 82994]

cp's OEIS Frontend

A119307 Triangle read by rows: T(n, k) = Sum_{j=0..n} C(j, k)*C(j, n - k).

Table of values

List of values