A174126 - cp's OEIS frontend

A174126 Triangle T(n, k) = (n-k)^2 * binomial(n-1, k-1)^2 with T(n, 0) = T(n, n) = 1, read by rows.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	4
8	4
9	1
10	1
11	9
12	36
13	9
14	1
15	1
16	16
17	144
18	144
19	16
20	1
21	1
22	25
23	400
24	900
25	400
26	25
27	1
28	1
29	36
30	900
31	3600
32	3600
33	900
34	36
35	1
36	1
37	49
38	1764
39	11025
40	19600
41	11025
42	1764
43	49
44	1
45	1
46	64
47	3136
48	28224
49	78400
50	78400
51	28224
52	3136
53	64
54	1
55	1
56	81
57	5184
58	63504
59	254016
60	396900
61	254016
62	63504
63	5184
64	81
65	1

[1, 1, 1, 1, 1, 1, 1, 4, 4, 1, 1, 9, 36, 9, 1, 1, 16, 144, 144, 16, 1, 1, 25, 400, 900, 400, 25, 1, 1, 36, 900, 3600, 3600, 900, 36, 1, 1, 49, 1764, 11025, 19600, 11025, 1764, 49, 1, 1, 64, 3136, 28224, 78400, 78400, 28224, 3136, 64, 1, 1, 81, 5184, 63504, 254016, 396900, 254016, 63504, 5184, 81, 1]

cp's OEIS Frontend

A174126 Triangle T(n, k) = (n-k)^2 * binomial(n-1, k-1)^2 with T(n, 0) = T(n, n) = 1, read by rows.

Table of values

List of values