A147679 - cp's OEIS frontend

A147679 Triangle read by rows: T(n,k) (n >= 1, 0 <= k <= n-1) is the number of permutations of [0..(n-1)] of spread k.

n	a(n)
1	1
2	1
3	1
4	0
5	3
6	3
7	4
8	8
9	4
10	8
11	20
12	25
13	25
14	25
15	25
16	144
17	108
18	108
19	144
20	108
21	108
22	630
23	735
24	735
25	735
26	735
27	735
28	735
29	5696
30	4608
31	5248
32	4608
33	5696
34	4608
35	5248
36	4608
37	39366
38	40824
39	40824
40	39285
41	40824
42	40824
43	39285
44	40824
45	40824
46	366400
47	362000
48	362000
49	362000
50	362000
51	366400
52	362000
53	362000
54	362000
55	362000

[1, 1, 1, 0, 3, 3, 4, 8, 4, 8, 20, 25, 25, 25, 25, 144, 108, 108, 144, 108, 108, 630, 735, 735, 735, 735, 735, 735, 5696, 4608, 5248, 4608, 5696, 4608, 5248, 4608, 39366, 40824, 40824, 39285, 40824, 40824, 39285, 40824, 40824, 366400, 362000, 362000, 362000, 362000, 366400, 362000, 362000, 362000, 362000]

cp's OEIS Frontend

A147679 Triangle read by rows: T(n,k) (n >= 1, 0 <= k <= n-1) is the number of permutations of [0..(n-1)] of spread k.

Table of values

List of values