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.

A081920 Expansion of exp(2x)/sqrt(1-x^2).

Table of values

n a(n)
0 1
1 2
2 5
3 14
4 49
5 202
6 1069
7 6470
8 48353
9 391058
10 3767029
11 37936318
12 445650385
13 5359634906
14 74198053661
15 1036667808758
16 16516851030721
17 262805595346210
18 4735033850606437
19 84510767762583662
20 1698609728377283441

List of values

[1, 2, 5, 14, 49, 202, 1069, 6470, 48353, 391058, 3767029, 37936318, 445650385, 5359634906, 74198053661, 1036667808758, 16516851030721, 262805595346210, 4735033850606437, 84510767762583662, 1698609728377283441]

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

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