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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.

A013890 a(n) = 19^(5*n + 1).

Table of values

n a(n)
0 19
1 47045881
2 116490258898219
3 288441413567621167681
4 714209495693373205673756419
5 1768453418076865701195582595329481
6 4378865740046709085864680868712732574619
7 10842505080063916320800450434338728415281531281
8 26847115986241183138017674520015691090350184323352819

List of values

[19, 47045881, 116490258898219, 288441413567621167681, 714209495693373205673756419, 1768453418076865701195582595329481, 4378865740046709085864680868712732574619, 10842505080063916320800450434338728415281531281, 26847115986241183138017674520015691090350184323352819]

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

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