A157634 - cp's OEIS frontend

A157634 Triangle T(n, k) = 1 if k = 0 or k = n, otherwise n^5 - k^5 - (n-k)^5, read by rows.

n	a(n)
0	1
1	1
2	1
3	1
4	30
5	1
6	1
7	210
8	210
9	1
10	1
11	780
12	960
13	780
14	1
15	1
16	2100
17	2850
18	2850
19	2100
20	1
21	1
22	4650
23	6720
24	7290
25	6720
26	4650
27	1
28	1
29	9030
30	13650
31	15540
32	15540
33	13650
34	9030
35	1
36	1
37	15960
38	24960
39	29400
40	30720
41	29400
42	24960
43	15960
44	1
45	1
46	26280
47	42210
48	51030
49	54900
50	54900
51	51030
52	42210
53	26280
54	1

[1, 1, 1, 1, 30, 1, 1, 210, 210, 1, 1, 780, 960, 780, 1, 1, 2100, 2850, 2850, 2100, 1, 1, 4650, 6720, 7290, 6720, 4650, 1, 1, 9030, 13650, 15540, 15540, 13650, 9030, 1, 1, 15960, 24960, 29400, 30720, 29400, 24960, 15960, 1, 1, 26280, 42210, 51030, 54900, 54900, 51030, 42210, 26280, 1]

cp's OEIS Frontend

A157634 Triangle T(n, k) = 1 if k = 0 or k = n, otherwise n^5 - k^5 - (n-k)^5, read by rows.

Table of values

List of values