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.

A327316 Triangular array read by rows: row n shows the coefficients of this polynomial of degree n: p(x,n) = ((x+r)^n - (x+s)^n)/(r - s), where r = 3 and s = 2.

Table of values

n a(n)
1 1
2 5
3 2
4 19
5 15
6 3
7 65
8 76
9 30
10 4
11 211
12 325
13 190
14 50
15 5
16 665
17 1266
18 975
19 380
20 75
21 6
22 2059
23 4655
24 4431
25 2275
26 665
27 105
28 7
29 6305
30 16472
31 18620
32 11816
33 4550
34 1064
35 140
36 8
37 19171
38 56745
39 74124
40 55860
41 26586
42 8190
43 1596
44 180
45 9
46 58025
47 191710
48 283725
49 247080

List of values

[1, 5, 2, 19, 15, 3, 65, 76, 30, 4, 211, 325, 190, 50, 5, 665, 1266, 975, 380, 75, 6, 2059, 4655, 4431, 2275, 665, 105, 7, 6305, 16472, 18620, 11816, 4550, 1064, 140, 8, 19171, 56745, 74124, 55860, 26586, 8190, 1596, 180, 9, 58025, 191710, 283725, 247080]