A332009 - cp's OEIS frontend

A332009 Irregular triangle of numerators of the average value of the first letter over all derangements of {1, 2, ..., n} with k descents.

n	a(n)
2	2
3	5
4	11
5	3
6	4
7	23
8	10
9	17
10	47
11	367
12	173
13	121
14	6
15	95
16	1431
17	3973
18	2513
19	331
20	191
21	567
22	1395
23	8011
24	391
25	761
26	8
27	383
28	8615
29	139897
30	78483
31	27201
32	21685
33	113
34	767
35	28073
36	715277
37	1298393
38	158189
39	1310499
40	40613
41	4049
42	10
43	1535
44	89311
45	1721203
46	9555617
47	37414903
48	27455053
49	7254087
50	582767
51	4549

[2, 5, 11, 3, 4, 23, 10, 17, 47, 367, 173, 121, 6, 95, 1431, 3973, 2513, 331, 191, 567, 1395, 8011, 391, 761, 8, 383, 8615, 139897, 78483, 27201, 21685, 113, 767, 28073, 715277, 1298393, 158189, 1310499, 40613, 4049, 10, 1535, 89311, 1721203, 9555617, 37414903, 27455053, 7254087, 582767, 4549]

cp's OEIS Frontend

A332009 Irregular triangle of numerators of the average value of the first letter over all derangements of {1, 2, ..., n} with k descents.

Table of values

List of values