A178831 - cp's OEIS frontend

A178831 Rectangular array T(n,k) = binomial(n+1,2)*(n^k - (n-1)^k) read by antidiagonals.

n	a(n)
1	1
2	1
3	3
4	1
5	9
6	6
7	1
8	21
9	30
10	10
11	1
12	45
13	114
14	70
15	15
16	1
17	93
18	390
19	370
20	135
21	21
22	1
23	189
24	1266
25	1750
26	915
27	231
28	28
29	1
30	381
31	3990
32	7810
33	5535
34	1911
35	364
36	36
37	1
38	765
39	12354
40	33670
41	31515
42	14091
43	3556
44	540
45	45
46	1
47	1533
48	37830
49	141970
50	172935
51	97671
52	30940
53	6084
54	765
55	55

[1, 1, 3, 1, 9, 6, 1, 21, 30, 10, 1, 45, 114, 70, 15, 1, 93, 390, 370, 135, 21, 1, 189, 1266, 1750, 915, 231, 28, 1, 381, 3990, 7810, 5535, 1911, 364, 36, 1, 765, 12354, 33670, 31515, 14091, 3556, 540, 45, 1, 1533, 37830, 141970, 172935, 97671, 30940, 6084, 765, 55]

cp's OEIS Frontend

A178831 Rectangular array T(n,k) = binomial(n+1,2)*(n^k - (n-1)^k) read by antidiagonals.

Table of values

List of values