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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.

A101682 Expansion of 2 - exp(-1 + sqrt(1-4x)).

Table of values

n a(n)
0 1
1 2
2 0
3 8
4 80
5 1152
6 21056
7 467840
8 12248064
9 369313280
10 12605643776
11 480491716608
12 20231074672640
13 932551401807872
14 46708494389084160
15 2525988902617776128
16 146694190329387352064
17 9105143756032486932480

List of values

[1, 2, 0, 8, 80, 1152, 21056, 467840, 12248064, 369313280, 12605643776, 480491716608, 20231074672640, 932551401807872, 46708494389084160, 2525988902617776128, 146694190329387352064, 9105143756032486932480]

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

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