A263756 - cp's OEIS frontend

A263756 Triangle read by rows: T(n,k) (n>=0, k>=0) is the number of permutations of n with sum of descent bottoms equal to k.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	3
6	1
7	1
8	1
9	7
10	3
11	8
12	3
13	1
14	1
15	1
16	15
17	7
18	34
19	18
20	14
21	18
22	8
23	3
24	1
25	1
26	1
27	31
28	15
29	122
30	72
31	69
32	147
33	83
34	71
35	33
36	45
37	18
38	8
39	3
40	1
41	1
42	1
43	63
44	31
45	406
46	252
47	263
48	822
49	544
50	554
51	399
52	613
53	351
54	307
55	160
56	102
57	96
58	45
59	18
60	8
61	3
62	1
63	1
64	1
65	127
66	63
67	1298
68	828

[1, 1, 1, 1, 1, 3, 1, 1, 1, 7, 3, 8, 3, 1, 1, 1, 15, 7, 34, 18, 14, 18, 8, 3, 1, 1, 1, 31, 15, 122, 72, 69, 147, 83, 71, 33, 45, 18, 8, 3, 1, 1, 1, 63, 31, 406, 252, 263, 822, 544, 554, 399, 613, 351, 307, 160, 102, 96, 45, 18, 8, 3, 1, 1, 1, 127, 63, 1298, 828]

cp's OEIS Frontend

A263756 Triangle read by rows: T(n,k) (n>=0, k>=0) is the number of permutations of n with sum of descent bottoms equal to k.

Table of values

List of values