A104346 - cp's OEIS frontend

A104346 Triangle read by rows: T(n,k) is the number of alternating max-precedes-min permutations on [n+2] with 1 in position k+2, 0<=k<=n.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	2
6	2
7	3
8	6
9	5
10	5
11	8
12	12
13	20
14	16
15	16
16	25
17	40
18	50
19	80
20	61
21	61
22	96
23	150
24	200
25	240
26	366
27	272
28	272
29	427
30	672
31	875
32	1120
33	1281
34	1904
35	1385
36	1385
37	2176
38	3416
39	4480
40	5600
41	6832
42	7616
43	11080
44	7936
45	7936
46	12465
47	19584
48	25620
49	32256
50	38430
51	45696
52	49860
53	71424
54	50521

[1, 1, 1, 1, 2, 2, 2, 3, 6, 5, 5, 8, 12, 20, 16, 16, 25, 40, 50, 80, 61, 61, 96, 150, 200, 240, 366, 272, 272, 427, 672, 875, 1120, 1281, 1904, 1385, 1385, 2176, 3416, 4480, 5600, 6832, 7616, 11080, 7936, 7936, 12465, 19584, 25620, 32256, 38430, 45696, 49860, 71424, 50521]

cp's OEIS Frontend

A104346 Triangle read by rows: T(n,k) is the number of alternating max-precedes-min permutations on [n+2] with 1 in position k+2, 0<=k<=n.

Table of values

List of values