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.

A302614 G.f.: Sum_{n>=0} (2 + (1+x)^n)^n / (3 + (1+x)^n)^(n+1).

Table of values

n a(n)
0 1
1 1
2 8
3 91
4 1474
5 30765
6 785053
7 23682833
8 824522797
9 32537599175
10 1435199414014
11 69973425937141
12 3736662443907962
13 216901789032691605
14 13598124265965160130
15 915670842666691879191
16 65913110467411283181409
17 5050836914009172555862713
18 410501468976427335127369669
19 35269929119728622895198302033
20 3194195105084750546987502710855

List of values

[1, 1, 8, 91, 1474, 30765, 785053, 23682833, 824522797, 32537599175, 1435199414014, 69973425937141, 3736662443907962, 216901789032691605, 13598124265965160130, 915670842666691879191, 65913110467411283181409, 5050836914009172555862713, 410501468976427335127369669, 35269929119728622895198302033, 3194195105084750546987502710855]