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.

A145629 Denominator of the polynomial A_l(x) = Sum_{d=1..l-1} x^(l-d)/d for index l=2n+1 evaluated at x=10.

Table of values

n a(n)
1 1
2 6
3 1
4 28
5 63
6 1386
7 1287
8 10296
9 14586
10 277134
11 323323
12 89237148
13 22309287
14 401567166
15 5822723907
16 2888071057872
17 722017764468
18 361008882234
19 6678664321329
20 26714657285316
21 39117891024927
22 3364138628143722

List of values

[1, 6, 1, 28, 63, 1386, 1287, 10296, 14586, 277134, 323323, 89237148, 22309287, 401567166, 5822723907, 2888071057872, 722017764468, 361008882234, 6678664321329, 26714657285316, 39117891024927, 3364138628143722]