A059299 - cp's OEIS frontend

A059299 Triangle of idempotent numbers (version 3), T(n, k) = binomial(n, k) * (n - k)^k.

n	a(n)
0	1
1	1
2	0
3	1
4	2
5	0
6	1
7	6
8	3
9	0
10	1
11	12
12	24
13	4
14	0
15	1
16	20
17	90
18	80
19	5
20	0
21	1
22	30
23	240
24	540
25	240
26	6
27	0
28	1
29	42
30	525
31	2240
32	2835
33	672
34	7
35	0
36	1
37	56
38	1008
39	7000
40	17920
41	13608
42	1792
43	8
44	0
45	1
46	72
47	1764
48	18144
49	78750
50	129024
51	61236
52	4608
53	9
54	0
55	1
56	90
57	2880
58	41160

[1, 1, 0, 1, 2, 0, 1, 6, 3, 0, 1, 12, 24, 4, 0, 1, 20, 90, 80, 5, 0, 1, 30, 240, 540, 240, 6, 0, 1, 42, 525, 2240, 2835, 672, 7, 0, 1, 56, 1008, 7000, 17920, 13608, 1792, 8, 0, 1, 72, 1764, 18144, 78750, 129024, 61236, 4608, 9, 0, 1, 90, 2880, 41160]

cp's OEIS Frontend

A059299 Triangle of idempotent numbers (version 3), T(n, k) = binomial(n, k) * (n - k)^k.

Table of values

List of values