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.

A323321 G.f. A(x) satisfies: 1 = Sum_{n>=0} ( (1+x)^n - 21*x*A(x) )^n * 10^n / 11^(n+1).

Table of values

n a(n)
0 1
1 230
2 202720
3 301356010
4 609471837800
5 1531246512757400
6 4554410421462541300
7 15575127764655971159900
8 60061431635374301463364100
9 257559473604548074955131621000
10 1215330203862647096788767608162000
11 6257647362127152791857282855542122000
12 34917317338173226632480770480063290796000
13 209923913089512941533199772776123546222790000
14 1353013627656130991705167318085125179145490486000

List of values

[1, 230, 202720, 301356010, 609471837800, 1531246512757400, 4554410421462541300, 15575127764655971159900, 60061431635374301463364100, 257559473604548074955131621000, 1215330203862647096788767608162000, 6257647362127152791857282855542122000, 34917317338173226632480770480063290796000, 209923913089512941533199772776123546222790000, 1353013627656130991705167318085125179145490486000]