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.

A280575 E.g.f. satisfies: A(x - Integral 4*A(x) dx) = x + Integral A(x) dx.

Table of values

n a(n)
1 1
2 5
3 85
4 2625
5 119225
6 7209725
7 547774525
8 50342086425
9 5448583486625
10 680816992367125
11 96720369562897125
12 15433474653279056625
13 2738894920523846767625
14 536165521694896664958125
15 114986014404299081313978125
16 26857525461337375682549015625
17 6797751676147997291181732240625
18 1856223312322488721077123869053125
19 544728880837527263669006279810003125
20 171209466763535665605709125529165390625

List of values

[1, 5, 85, 2625, 119225, 7209725, 547774525, 50342086425, 5448583486625, 680816992367125, 96720369562897125, 15433474653279056625, 2738894920523846767625, 536165521694896664958125, 114986014404299081313978125, 26857525461337375682549015625, 6797751676147997291181732240625, 1856223312322488721077123869053125, 544728880837527263669006279810003125, 171209466763535665605709125529165390625]

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

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