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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.

A362161 Expansion of e.g.f. exp(-x * sqrt(1-4*x)).

Table of values

n a(n)
0 1
1 -1
2 5
3 -1
4 121
5 1039
6 20221
7 416975
8 10573361
9 309650399
10 10335294901
11 386839539679
12 16045117551145
13 730346985279599
14 36191355037097261
15 1939288174467052079
16 111724538085236200801
17 6886112439557645126335
18 452112545350761238085221

List of values

[1, -1, 5, -1, 121, 1039, 20221, 416975, 10573361, 309650399, 10335294901, 386839539679, 16045117551145, 730346985279599, 36191355037097261, 1939288174467052079, 111724538085236200801, 6886112439557645126335, 452112545350761238085221]

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

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