A334394 - cp's OEIS frontend

A334394 Triangle read by rows: T(n,k) is the number of ordered triples of n-permutations with exactly k common descents, n>=0, 0<=k<=max(0,n-1).

n	a(n)
0	1
1	1
2	7
3	1
4	163
5	52
6	1
7	8983
8	4499
9	341
10	1
11	966751
12	660746
13	98256
14	2246
15	1
16	179781181
17	155729277
18	35677082
19	2045282
20	15177
21	1
22	53090086057
23	55690144728
24	17446464519
25	1754605504
26	42658239
27	104952
28	1
29	23402291822743
30	28825420903351
31	11518335730323
32	1717307782339
33	84058424389
34	905365701
35	739153
36	1

[1, 1, 7, 1, 163, 52, 1, 8983, 4499, 341, 1, 966751, 660746, 98256, 2246, 1, 179781181, 155729277, 35677082, 2045282, 15177, 1, 53090086057, 55690144728, 17446464519, 1754605504, 42658239, 104952, 1, 23402291822743, 28825420903351, 11518335730323, 1717307782339, 84058424389, 905365701, 739153, 1]

cp's OEIS Frontend

A334394 Triangle read by rows: T(n,k) is the number of ordered triples of n-permutations with exactly k common descents, n>=0, 0<=k<=max(0,n-1).

Table of values

List of values