cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A336633 Triangle read by rows: T(n,k) is the number of generalized permutations related to the degenerate Eulerian numbers with exactly k ascents (0 <= k <= max(0,n-1)).

Table of values

n a(n)
0 1
1 1
2 2
3 2
4 6
5 16
6 6
7 24
8 116
9 116
10 24
11 120
12 888
13 1624
14 888
15 120
16 720
17 7416
18 20984
19 20984
20 7416
21 720
22 5040
23 67968
24 270432
25 419680
26 270432
27 67968
28 5040
29 40320
30 682272
31 3587904
32 7861664
33 7861664
34 3587904
35 682272
36 40320
37 362880
38 7467840
39 49701024
40 144570624
41 204403264
42 144570624

List of values

[1, 1, 2, 2, 6, 16, 6, 24, 116, 116, 24, 120, 888, 1624, 888, 120, 720, 7416, 20984, 20984, 7416, 720, 5040, 67968, 270432, 419680, 270432, 67968, 5040, 40320, 682272, 3587904, 7861664, 7861664, 3587904, 682272, 40320, 362880, 7467840, 49701024, 144570624, 204403264, 144570624]