A324225 - cp's OEIS frontend

A324225 Total number T(n,k) of 1's in falling diagonals with index k in all n X n permutation matrices; triangle T(n,k), n>=1, 1-n<=k<=n-1, read by rows.

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	4
7	6
8	4
9	2
10	6
11	12
12	18
13	24
14	18
15	12
16	6
17	24
18	48
19	72
20	96
21	120
22	96
23	72
24	48
25	24
26	120
27	240
28	360
29	480
30	600
31	720
32	600
33	480
34	360
35	240
36	120
37	720
38	1440
39	2160
40	2880
41	3600
42	4320
43	5040
44	4320
45	3600
46	2880
47	2160
48	1440
49	720
50	5040
51	10080
52	15120
53	20160
54	25200
55	30240
56	35280
57	40320
58	35280
59	30240
60	25200
61	20160
62	15120
63	10080
64	5040

[1, 1, 2, 1, 2, 4, 6, 4, 2, 6, 12, 18, 24, 18, 12, 6, 24, 48, 72, 96, 120, 96, 72, 48, 24, 120, 240, 360, 480, 600, 720, 600, 480, 360, 240, 120, 720, 1440, 2160, 2880, 3600, 4320, 5040, 4320, 3600, 2880, 2160, 1440, 720, 5040, 10080, 15120, 20160, 25200, 30240, 35280, 40320, 35280, 30240, 25200, 20160, 15120, 10080, 5040]

cp's OEIS Frontend

A324225 Total number T(n,k) of 1's in falling diagonals with index k in all n X n permutation matrices; triangle T(n,k), n>=1, 1-n<=k<=n-1, read by rows.

Table of values

List of values