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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.

A013901 a(n) = 21^(5*n + 4).

Table of values

n a(n)
0 194481
1 794280046581
2 3243919932521508681
3 13248496640331026125580781
4 54108198377272584130510593262881
5 220983347100817338120002444455525554981
6 902518308877795191433240103403256374623457081
7 3685975927806112219127687339549342762856035687969181

List of values

[194481, 794280046581, 3243919932521508681, 13248496640331026125580781, 54108198377272584130510593262881, 220983347100817338120002444455525554981, 902518308877795191433240103403256374623457081, 3685975927806112219127687339549342762856035687969181]

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

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