A174159 - cp's OEIS frontend

A174159 Triangle read by rows. T(n, k) = 2 * Eulerian(n, k - 1) - binomial(n - 1, k - 1)* binomial(n, k - 1) / k.

n	a(n)
1	1
2	1
3	1
4	1
5	5
6	1
7	1
8	16
9	16
10	1
11	1
12	42
13	112
14	42
15	1
16	1
17	99
18	554
19	554
20	99
21	1
22	1
23	219
24	2277
25	4657
26	2277
27	219
28	1
29	1
30	466
31	8390
32	30748
33	30748
34	8390
35	466
36	1
37	1
38	968
39	28880
40	175292
41	310616
42	175292
43	28880
44	968
45	1
46	1
47	1981
48	95140
49	907864
50	2615416
51	2615416
52	907864
53	95140

[1, 1, 1, 1, 5, 1, 1, 16, 16, 1, 1, 42, 112, 42, 1, 1, 99, 554, 554, 99, 1, 1, 219, 2277, 4657, 2277, 219, 1, 1, 466, 8390, 30748, 30748, 8390, 466, 1, 1, 968, 28880, 175292, 310616, 175292, 28880, 968, 1, 1, 1981, 95140, 907864, 2615416, 2615416, 907864, 95140]

cp's OEIS Frontend

A174159 Triangle read by rows. T(n, k) = 2 * Eulerian(n, k - 1) - binomial(n - 1, k - 1)* binomial(n, k - 1) / k.

Table of values

List of values