A342860 - cp's OEIS frontend

A342860 Irregular table read by rows: T(n,k) is the number of permutations in S_n that have exactly k occurrences of the pattern 2413. 0 <= k <= A342854(n).

n	a(n)
0	1
1	1
2	2
3	6
4	23
5	1
6	103
7	9
8	8
9	512
10	62
11	82
12	34
13	28
14	2
15	2740
16	402
17	612
18	384
19	466
20	94
21	232
22	42
23	60
24	8
25	15485
26	2593
27	4187
28	3036
29	4356
30	1746
31	3132
32	1064
33	1918
34	909
35	654
36	333
37	612
38	144
39	104
40	22
41	24
42	1
43	91245
44	16921
45	28065
46	21638
47	33274
48	17598
49	31180
50	12942
51	24000
52	14290
53	15434
54	7770
55	15692
56	5965
57	6896
58	3947
59	5660
60	2226
61	3674
62	1314
63	1512
64	516
65	508
66	204
67	332
68	37
69	40

[1, 1, 2, 6, 23, 1, 103, 9, 8, 512, 62, 82, 34, 28, 2, 2740, 402, 612, 384, 466, 94, 232, 42, 60, 8, 15485, 2593, 4187, 3036, 4356, 1746, 3132, 1064, 1918, 909, 654, 333, 612, 144, 104, 22, 24, 1, 91245, 16921, 28065, 21638, 33274, 17598, 31180, 12942, 24000, 14290, 15434, 7770, 15692, 5965, 6896, 3947, 5660, 2226, 3674, 1314, 1512, 516, 508, 204, 332, 37, 40]

cp's OEIS Frontend

A342860 Irregular table read by rows: T(n,k) is the number of permutations in S_n that have exactly k occurrences of the pattern 2413. 0 <= k <= A342854(n).

Table of values

List of values