A381888 - cp's OEIS frontend

A381888 Triangle read by rows: T(n, k) = (n + 1) * Sum_{j=k..n} binomial(n, j) * Eulerian1(j, j - k).

n	a(n)
0	1
1	2
2	2
3	3
4	9
5	3
6	4
7	28
8	28
9	4
10	5
11	75
12	165
13	75
14	5
15	6
16	186
17	786
18	786
19	186
20	6
21	7
22	441
23	3311
24	6181
25	3311
26	441
27	7
28	8
29	1016
30	12888
31	40888
32	40888
33	12888
34	1016
35	8
36	9
37	2295
38	47529
39	241191
40	404361
41	241191
42	47529
43	2295
44	9
45	10
46	5110
47	168670
48	1312750
49	3445510
50	3445510
51	1312750
52	168670
53	5110
54	10

[1, 2, 2, 3, 9, 3, 4, 28, 28, 4, 5, 75, 165, 75, 5, 6, 186, 786, 786, 186, 6, 7, 441, 3311, 6181, 3311, 441, 7, 8, 1016, 12888, 40888, 40888, 12888, 1016, 8, 9, 2295, 47529, 241191, 404361, 241191, 47529, 2295, 9, 10, 5110, 168670, 1312750, 3445510, 3445510, 1312750, 168670, 5110, 10]

cp's OEIS Frontend

A381888 Triangle read by rows: T(n, k) = (n + 1) * Sum_{j=k..n} binomial(n, j) * Eulerian1(j, j - k).

Table of values

List of values