A134433 - cp's OEIS frontend

A134433 Triangle read by rows: T(n,k) is the number of permutations of {1,2,...,n} in which the last entry of the first increasing run is equal to k (1 <= k <= n).

n	a(n)
1	1
2	0
3	2
4	0
5	1
6	5
7	0
8	2
9	6
10	16
11	0
12	6
13	16
14	33
15	65
16	0
17	24
18	60
19	114
20	196
21	326
22	0
23	120
24	288
25	522
26	848
27	1305
28	1957
29	0
30	720
31	1680
32	2952
33	4632
34	6850
35	9786
36	13700
37	0
38	5040
39	11520
40	19800
41	30336
42	43710
43	60672
44	82201
45	109601

[1, 0, 2, 0, 1, 5, 0, 2, 6, 16, 0, 6, 16, 33, 65, 0, 24, 60, 114, 196, 326, 0, 120, 288, 522, 848, 1305, 1957, 0, 720, 1680, 2952, 4632, 6850, 9786, 13700, 0, 5040, 11520, 19800, 30336, 43710, 60672, 82201, 109601]

cp's OEIS Frontend

A134433 Triangle read by rows: T(n,k) is the number of permutations of {1,2,...,n} in which the last entry of the first increasing run is equal to k (1 <= k <= n).

Table of values

List of values