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.

A298696 G.f.: Sum_{n>=0} binomial(n*(n+1), n)/(n+1) * x^n / (1 + x)^(n*(n+1)).

Table of values

n a(n)
0 1
1 1
2 3
3 28
4 410
5 8386
6 220962
7 7140736
8 273712896
9 12146997564
10 612813677300
11 34647736132384
12 2170381958609592
13 149223874286440552
14 11173356309069883320
15 905099760309260722560
16 78870011549256151244288
17 7356892186010414244194704
18 731435433368215011644979504
19 77216368897429504869064200256
20 8626428901029156775683110378400
21 1016792561657783042048699052986016

List of values

[1, 1, 3, 28, 410, 8386, 220962, 7140736, 273712896, 12146997564, 612813677300, 34647736132384, 2170381958609592, 149223874286440552, 11173356309069883320, 905099760309260722560, 78870011549256151244288, 7356892186010414244194704, 731435433368215011644979504, 77216368897429504869064200256, 8626428901029156775683110378400, 1016792561657783042048699052986016]