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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.

A279843 E.g.f. satisfies: A(x - Integral A(x) dx) = x + Integral 2*A(x) dx.

Table of values

n a(n)
1 1
2 3
3 18
4 189
5 2907
6 59373
7 1520019
8 46964934
9 1705072680
10 71304998301
11 3382510434561
12 179805942701262
13 10604941134768027
14 688310036217216666
15 48823571643364894410
16 3762575719966561217301
17 313432935903428395412205
18 28098727418570995251538128
19 2700377607104440375587008499
20 277246288187233901613660728700

List of values

[1, 3, 18, 189, 2907, 59373, 1520019, 46964934, 1705072680, 71304998301, 3382510434561, 179805942701262, 10604941134768027, 688310036217216666, 48823571643364894410, 3762575719966561217301, 313432935903428395412205, 28098727418570995251538128, 2700377607104440375587008499, 277246288187233901613660728700]

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

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