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.

A277293 G.f. A(x) satisfies: Series_Reversion( A(x) + 2*A(x)^3 ) = A(x) - 2*A(x)^3.

Table of values

n a(n)
1 1
2 6
3 230
4 11676
5 663174
6 41413812
7 2680851420
8 188202575736
9 11594488853190
10 1403241101718852
11 -168694608332762892
12 147980852726994346248
13 -105389748185249598629220
14 93603955226272690108355208
15 -97621599698823169573607867400
16 118585871916859034002263802974192
17 -165925215611130932978517186291637434
18 264930310299987157013624532678164003556
19 -478773962141712793295304310624498264046460

List of values

[1, 6, 230, 11676, 663174, 41413812, 2680851420, 188202575736, 11594488853190, 1403241101718852, -168694608332762892, 147980852726994346248, -105389748185249598629220, 93603955226272690108355208, -97621599698823169573607867400, 118585871916859034002263802974192, -165925215611130932978517186291637434, 264930310299987157013624532678164003556, -478773962141712793295304310624498264046460]

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

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