A268436 - cp's OEIS frontend

A268436 Triangle read by rows, T(n,k) = RF(n-k+1, n-k) * S1(n,k) where RF denotes the rising factorial and S1 the Stirling cycle numbers, for n>=0 and 0<=k<=n.

n	a(n)
0	1
1	0
2	1
3	0
4	2
5	1
6	0
7	24
8	6
9	1
10	0
11	720
12	132
13	12
14	1
15	0
16	40320
17	6000
18	420
19	20
20	1
21	0
22	3628800
23	460320
24	27000
25	1020
26	30
27	1
28	0
29	479001600
30	53343360
31	2728320
32	88200
33	2100
34	42
35	1
36	0
37	87178291200
38	8693879040
39	397111680
40	11371920
41	235200
42	3864
43	56
44	1

[1, 0, 1, 0, 2, 1, 0, 24, 6, 1, 0, 720, 132, 12, 1, 0, 40320, 6000, 420, 20, 1, 0, 3628800, 460320, 27000, 1020, 30, 1, 0, 479001600, 53343360, 2728320, 88200, 2100, 42, 1, 0, 87178291200, 8693879040, 397111680, 11371920, 235200, 3864, 56, 1]

cp's OEIS Frontend

A268436 Triangle read by rows, T(n,k) = RF(n-k+1, n-k) * S1(n,k) where RF denotes the rising factorial and S1 the Stirling cycle numbers, for n>=0 and 0<=k<=n.

Table of values

List of values