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.

A228116 a(n) = A006879(n) - A228115(n).

Table of values

n a(n)
1 1
2 0
3 0
4 0
5 -3
6 -26
7 200
8 2154
9 11484
10 19600
11 -477397
12 -8219901
13 -91253055
14 -827443165
15 -6390673975
16 -40675147794
17 -175537475858
18 224340865430
19 16557635792557
20 240512852610684
21 2400398259375610
22 16146663225893061
23 5309635516930146
24 -2257043208658957597
25 -52738581235904454897

List of values

[1, 0, 0, 0, -3, -26, 200, 2154, 11484, 19600, -477397, -8219901, -91253055, -827443165, -6390673975, -40675147794, -175537475858, 224340865430, 16557635792557, 240512852610684, 2400398259375610, 16146663225893061, 5309635516930146, -2257043208658957597, -52738581235904454897]