A211318 - cp's OEIS frontend

A211318 Triangle read by rows: number of permutations of 1..n by length l of longest run (n >= 1, 1 <= l <= n).

n	a(n)
1	1
2	0
3	2
4	0
5	4
6	2
7	0
8	10
9	12
10	2
11	0
12	32
13	70
14	16
15	2
16	0
17	122
18	442
19	134
20	20
21	2
22	0
23	544
24	3108
25	1164
26	198
27	24
28	2
29	0
30	2770
31	24216
32	10982
33	2048
34	274
35	28
36	2
37	0
38	15872
39	208586
40	112354
41	22468
42	3204
43	362
44	32
45	2
46	0
47	101042
48	1972904
49	1245676
50	264538
51	39420
52	4720
53	462
54	36
55	2
56	0

[1, 0, 2, 0, 4, 2, 0, 10, 12, 2, 0, 32, 70, 16, 2, 0, 122, 442, 134, 20, 2, 0, 544, 3108, 1164, 198, 24, 2, 0, 2770, 24216, 10982, 2048, 274, 28, 2, 0, 15872, 208586, 112354, 22468, 3204, 362, 32, 2, 0, 101042, 1972904, 1245676, 264538, 39420, 4720, 462, 36, 2, 0]

cp's OEIS Frontend

A211318 Triangle read by rows: number of permutations of 1..n by length l of longest run (n >= 1, 1 <= l <= n).

Table of values

List of values