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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.

A246923 Expansion of g.f.: 1 / AGM(1-9*x, sqrt((1-x)*(1-81*x))).

Table of values

n a(n)
0 1
1 25
2 1089
3 60025
4 3690241
5 241025625
6 16359689025
7 1140463805625
8 81081830657025
9 5852177325225625
10 427465780890020929
11 31528177440967935225
12 2344153069158724611841
13 175473167541934734763225
14 13211212029033949825064769
15 999630716942846408773325625

List of values

[1, 25, 1089, 60025, 3690241, 241025625, 16359689025, 1140463805625, 81081830657025, 5852177325225625, 427465780890020929, 31528177440967935225, 2344153069158724611841, 175473167541934734763225, 13211212029033949825064769, 999630716942846408773325625]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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