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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.

A386722 Expansion of (1/x) * Series_Reversion( x * (1-x)^2 / (1+2*x)^3 ).

Table of values

n a(n)
0 1
1 8
2 91
3 1214
4 17731
5 274526
6 4426948
7 73561238
8 1250803171
9 21659155028
10 380638861219
11 6771681469952
12 121716110229364
13 2207040281944856
14 40323735229993336
15 741613603443652214
16 13718779315483616227
17 255086483631977702096
18 4764893748897482791633
19 89373590789286772582334

List of values

[1, 8, 91, 1214, 17731, 274526, 4426948, 73561238, 1250803171, 21659155028, 380638861219, 6771681469952, 121716110229364, 2207040281944856, 40323735229993336, 741613603443652214, 13718779315483616227, 255086483631977702096, 4764893748897482791633, 89373590789286772582334]

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

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