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.

A140092 G.f. satisfies: A(x) = Series_Reversion[ x/sqrt(1 + 4*A(x)) ] with A(0)=0.

Table of values

n a(n)
1 1
2 2
3 6
4 28
5 174
6 1308
7 11300
8 108808
9 1145078
10 12996332
11 157580252
12 2026874424
13 27507762028
14 392226116696
15 5855551243464
16 91263899531280
17 1481385005886374
18 24989341719984972
19 437270678940944556
20 7923785627972483672

List of values

[1, 2, 6, 28, 174, 1308, 11300, 108808, 1145078, 12996332, 157580252, 2026874424, 27507762028, 392226116696, 5855551243464, 91263899531280, 1481385005886374, 24989341719984972, 437270678940944556, 7923785627972483672]

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

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