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.

A126115 E.g.f.: sqrt(1+2*x)/(1-2*x).

Table of values

n a(n)
0 1
1 3
2 11
3 69
4 537
5 5475
6 64755
7 916965
8 14536305
9 263680515
10 5239150875
11 115916048325
12 2768235849225
13 72290366223075
14 2016224400665475
15 60700190066641125
16 1936215798778886625
17 66023235942444655875
18 2370503834057244760875
19 90300788789652000685125
20 3603830757053442135845625

List of values

[1, 3, 11, 69, 537, 5475, 64755, 916965, 14536305, 263680515, 5239150875, 115916048325, 2768235849225, 72290366223075, 2016224400665475, 60700190066641125, 1936215798778886625, 66023235942444655875, 2370503834057244760875, 90300788789652000685125, 3603830757053442135845625]

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

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