A120434 - cp's OEIS frontend

A120434 Triangle read by rows: counts permutations by number of big descents.

n	a(n)
2	2
3	4
4	2
5	8
6	14
7	2
8	16
9	66
10	36
11	2
12	32
13	262
14	342
15	82
16	2
17	64
18	946
19	2416
20	1436
21	176
22	2
23	128
24	3222
25	14394
26	16844
27	5364
28	366
29	2
30	256
31	10562
32	76908
33	156190
34	99560
35	18654
36	748
37	2
38	512
39	33734
40	381566
41	1242398
42	1378310
43	528818
44	61946
45	1514
46	2

[2, 4, 2, 8, 14, 2, 16, 66, 36, 2, 32, 262, 342, 82, 2, 64, 946, 2416, 1436, 176, 2, 128, 3222, 14394, 16844, 5364, 366, 2, 256, 10562, 76908, 156190, 99560, 18654, 748, 2, 512, 33734, 381566, 1242398, 1378310, 528818, 61946, 1514, 2]

cp's OEIS Frontend

A120434 Triangle read by rows: counts permutations by number of big descents.

Table of values

List of values