A342865 - cp's OEIS frontend

A342865 Irregular table read by rows: T(n,k) is the number of permutations in S_n that have exactly k occurrences of the pattern 1234. 0 <= k <= A000332(n).

n	a(n)
0	1
1	1
2	2
3	6
4	23
5	1
6	103
7	12
8	4
9	0
10	0
11	1
12	513
13	102
14	63
15	10
16	6
17	12
18	8
19	0
20	0
21	5
22	0
23	0
24	0
25	0
26	0
27	1
28	2761
29	770
30	665
31	196
32	146
33	116
34	142
35	46
36	10
37	72
38	32
39	24
40	0
41	13
42	0
43	12
44	18
45	0
46	0
47	10
48	0
49	0
50	0
51	0
52	0
53	6
54	0
55	0
56	0
57	0
58	0
59	0
60	0
61	0
62	0
63	1

[1, 1, 2, 6, 23, 1, 103, 12, 4, 0, 0, 1, 513, 102, 63, 10, 6, 12, 8, 0, 0, 5, 0, 0, 0, 0, 0, 1, 2761, 770, 665, 196, 146, 116, 142, 46, 10, 72, 32, 24, 0, 13, 0, 12, 18, 0, 0, 10, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1]

cp's OEIS Frontend

A342865 Irregular table read by rows: T(n,k) is the number of permutations in S_n that have exactly k occurrences of the pattern 1234. 0 <= k <= A000332(n).

Table of values

List of values