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.

A280572 E.g.f. satisfies: A(x - Integral A(x) dx) = x + Integral 4*A(x) dx.

Table of values

n a(n)
1 1
2 5
3 40
4 525
5 10025
6 253475
7 8015725
8 305359050
9 13645726250
10 701304298375
11 40822454374125
12 2658840618527250
13 191861336190647375
14 15213199343853357500
15 1316408013706224687500
16 123576861126283832953125
17 12521371849855149886590625
18 1363361618975383978443843750
19 158900334287408210286438971875
20 19755940413686794723417400000000
21 2612146114817877629253999384562500
22 366294181903982533559997504649828125

List of values

[1, 5, 40, 525, 10025, 253475, 8015725, 305359050, 13645726250, 701304298375, 40822454374125, 2658840618527250, 191861336190647375, 15213199343853357500, 1316408013706224687500, 123576861126283832953125, 12521371849855149886590625, 1363361618975383978443843750, 158900334287408210286438971875, 19755940413686794723417400000000, 2612146114817877629253999384562500, 366294181903982533559997504649828125]

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

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