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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.

A369023 Expansion of (1/x) * Series_Reversion( x * (1-2*x)^3 / (1-x) ).

Table of values

n a(n)
0 1
1 5
2 43
3 451
4 5253
5 65297
6 848503
7 11387047
8 156602761
9 2195519965
10 31261365155
11 450840279787
12 6571775541069
13 96669928040745
14 1433170971310191
15 21392403565317839
16 321228841377255953
17 4849129915768191413
18 73545708989920501147
19 1120169585882592246419

List of values

[1, 5, 43, 451, 5253, 65297, 848503, 11387047, 156602761, 2195519965, 31261365155, 450840279787, 6571775541069, 96669928040745, 1433170971310191, 21392403565317839, 321228841377255953, 4849129915768191413, 73545708989920501147, 1120169585882592246419]

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

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