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.

A326659 T(n,k) = [0 and n>=0]; triangle T(n,k), n >= 0, 0 <= k <= n, read by rows.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 4
5 2
6 1
7 15
8 18
9 6
10 1
11 64
12 132
13 96
14 24
15 1
16 325
17 980
18 1140
19 600
20 120
21 1
22 1956
23 7830
24 12720
25 10440
26 4320
27 720
28 1
29 13699
30 68502
31 143850
32 162120
33 103320
34 35280
35 5040
36 1
37 109600
38 657608
39 1698816
40 2447760
41 2123520
42 1108800
43 322560
44 40320

List of values

[1, 1, 1, 1, 4, 2, 1, 15, 18, 6, 1, 64, 132, 96, 24, 1, 325, 980, 1140, 600, 120, 1, 1956, 7830, 12720, 10440, 4320, 720, 1, 13699, 68502, 143850, 162120, 103320, 35280, 5040, 1, 109600, 657608, 1698816, 2447760, 2123520, 1108800, 322560, 40320]