A370505 - cp's OEIS frontend

A370505 T(n,k) is the difference between the number of k-dist-increasing and (k-1)-dist-increasing permutations of [n], where p is k-dist-increasing if k>=0 and p(i) for all i in [n-k]; triangle T(n,k), n>=0, 0<=k<=n, read by rows.

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	1
8	2
9	3
10	0
11	1
12	5
13	6
14	12
15	0
16	1
17	9
18	20
19	30
20	60
21	0
22	1
23	19
24	70
25	90
26	180
27	360
28	0
29	1
30	34
31	175
32	420
33	630
34	1260
35	2520
36	0
37	1
38	69
39	490
40	1960
41	2520
42	5040
43	10080
44	20160
45	0
46	1
47	125
48	1554
49	5880
50	15120
51	22680
52	45360
53	90720
54	181440
55	0
56	1
57	251
58	3948
59	21000
60	88200
61	113400
62	226800
63	453600
64	907200
65	1814400

[1, 0, 1, 0, 1, 1, 0, 1, 2, 3, 0, 1, 5, 6, 12, 0, 1, 9, 20, 30, 60, 0, 1, 19, 70, 90, 180, 360, 0, 1, 34, 175, 420, 630, 1260, 2520, 0, 1, 69, 490, 1960, 2520, 5040, 10080, 20160, 0, 1, 125, 1554, 5880, 15120, 22680, 45360, 90720, 181440, 0, 1, 251, 3948, 21000, 88200, 113400, 226800, 453600, 907200, 1814400]

cp's OEIS Frontend

A370505 T(n,k) is the difference between the number of k-dist-increasing and (k-1)-dist-increasing permutations of [n], where p is k-dist-increasing if k>=0 and p(i) for all i in [n-k]; triangle T(n,k), n>=0, 0<=k<=n, read by rows.

Table of values

List of values