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.

A209884 E.g.f. A(x) satisfies: A(x/(1-x))/(1-x) = (1/x) * d/dx x^2*A(x)/2.

Table of values

n a(n)
0 1
1 2
2 10
3 88
4 1172
5 21688
6 527576
7 16224640
8 612742784
9 27786137856
10 1486036616448
11 92365550416896
12 6591134271264000
13 534423153792751104
14 48801114693060804096
15 4980221379342136676352
16 564172247490745614434304
17 70522894891787889987747840

List of values

[1, 2, 10, 88, 1172, 21688, 527576, 16224640, 612742784, 27786137856, 1486036616448, 92365550416896, 6591134271264000, 534423153792751104, 48801114693060804096, 4980221379342136676352, 564172247490745614434304, 70522894891787889987747840]

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

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