A231210 - cp's OEIS frontend

A231210 Number T(n,k) of permutations of [n] with exactly k (possibly overlapping) occurrences of some of the consecutive patterns 123, 1432, 2431, 3421; triangle T(n,k), n>=0, 0<=k<=max(0,n-2), read by rows.

n	a(n)
0	1
1	1
2	2
3	5
4	1
5	14
6	9
7	1
8	46
9	59
10	14
11	1
12	177
13	358
14	164
15	20
16	1
17	790
18	2235
19	1589
20	398
21	27
22	1
23	4024
24	14658
25	15034
26	5659
27	909
28	35
29	1
30	23056
31	103270
32	139465
33	77148
34	17875
35	2021
36	44
37	1
38	146777
39	778451
40	1334945
41	970679
42	341071
43	52380
44	4442
45	54
46	1
47	1027850
48	6315499

[1, 1, 2, 5, 1, 14, 9, 1, 46, 59, 14, 1, 177, 358, 164, 20, 1, 790, 2235, 1589, 398, 27, 1, 4024, 14658, 15034, 5659, 909, 35, 1, 23056, 103270, 139465, 77148, 17875, 2021, 44, 1, 146777, 778451, 1334945, 970679, 341071, 52380, 4442, 54, 1, 1027850, 6315499]

cp's OEIS Frontend

A231210 Number T(n,k) of permutations of [n] with exactly k (possibly overlapping) occurrences of some of the consecutive patterns 123, 1432, 2431, 3421; triangle T(n,k), n>=0, 0<=k<=max(0,n-2), read by rows.

Table of values

List of values