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.

A036073 Triangle of coefficients arising in calculation of A002872 and A002874 (sorting numbers).

Table of values

n a(n)
0 1
1 2
2 1
3 5
4 1
5 6
6 15
7 1
8 11
9 30
10 52
11 1
12 20
13 80
14 150
15 203
16 1
17 37
18 210
19 525
20 780
21 877
22 1
23 70
24 560
25 1785
26 3395
27 4263
28 4140
29 1
30 135
31 1526
32 6125
33 14140
34 22288
35 24556
36 21147
37 1
38 264
39 4240
40 21420
41 58842
42 109998
43 150402
44 149040
45 115975
46 1
47 521
48 11970
49 76385
50 248115

List of values

[1, 2, 1, 5, 1, 6, 15, 1, 11, 30, 52, 1, 20, 80, 150, 203, 1, 37, 210, 525, 780, 877, 1, 70, 560, 1785, 3395, 4263, 4140, 1, 135, 1526, 6125, 14140, 22288, 24556, 21147, 1, 264, 4240, 21420, 58842, 109998, 150402, 149040, 115975, 1, 521, 11970, 76385, 248115]