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.

A335340 North-East paths from (0,0) to (n,n) with k cyclic descents.

Table of values

n a(n)
1 2
2 4
3 2
4 6
5 12
6 2
7 8
8 36
9 24
10 2
11 10
12 80
13 120
14 40
15 2
16 12
17 150
18 400
19 300
20 60
21 2
22 14
23 252
24 1050
25 1400
26 630
27 84
28 2
29 16
30 392
31 2352
32 4900
33 3920
34 1176
35 112
36 2
37 18
38 576
39 4704
40 14112
41 17640
42 9408
43 2016
44 144
45 2
46 20
47 810
48 8640
49 35280
50 63504
51 52920
52 20160
53 3240
54 180
55 2

List of values

[2, 4, 2, 6, 12, 2, 8, 36, 24, 2, 10, 80, 120, 40, 2, 12, 150, 400, 300, 60, 2, 14, 252, 1050, 1400, 630, 84, 2, 16, 392, 2352, 4900, 3920, 1176, 112, 2, 18, 576, 4704, 14112, 17640, 9408, 2016, 144, 2, 20, 810, 8640, 35280, 63504, 52920, 20160, 3240, 180, 2]