A355776 - cp's OEIS frontend

A355776 Partition triangle read by rows. A statistic of permutations whose Lehmer code is nonmonotonic, refining triangle A356116.

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	1
6	0
7	0
8	3
9	2
10	5
11	0
12	0
13	6
14	10
15	22
16	24
17	16
18	0
19	0
20	10
21	20
22	12
23	61
24	162
25	29
26	102
27	150
28	42
29	0
30	0
31	15
32	35
33	49
34	135
35	432
36	246
37	273
38	391
39	1389
40	461
41	388
42	698
43	99
44	0
45	0
46	21
47	56
48	90
49	52
50	260
51	982
52	1288
53	740
54	827
55	1150
56	4974
57	2745
58	5778
59	482
60	2057
61	8924
62	4148
63	1333
64	2764
65	219
66	0

[0, 0, 0, 0, 0, 1, 0, 0, 3, 2, 5, 0, 0, 6, 10, 22, 24, 16, 0, 0, 10, 20, 12, 61, 162, 29, 102, 150, 42, 0, 0, 15, 35, 49, 135, 432, 246, 273, 391, 1389, 461, 388, 698, 99, 0, 0, 21, 56, 90, 52, 260, 982, 1288, 740, 827, 1150, 4974, 2745, 5778, 482, 2057, 8924, 4148, 1333, 2764, 219, 0]

cp's OEIS Frontend

A355776 Partition triangle read by rows. A statistic of permutations whose Lehmer code is nonmonotonic, refining triangle A356116.

Table of values

List of values