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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.

A013886 a(n) = 18^(5*n + 1).

Table of values

n a(n)
0 18
1 34012224
2 64268410079232
3 121439531096594251776
4 229468251895129407139872768
5 433595865796975883590475106484224
6 819308872942260126404286866009182175232
7 1548139828427760582529495524831238344488779776
8 2925315479322586708409093799864313376118974623776768

List of values

[18, 34012224, 64268410079232, 121439531096594251776, 229468251895129407139872768, 433595865796975883590475106484224, 819308872942260126404286866009182175232, 1548139828427760582529495524831238344488779776, 2925315479322586708409093799864313376118974623776768]

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

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