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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.

A342234 a(n) = (27^n - 9^n)/2 - 12^n + 6^n.

Table of values

n a(n)
0 0
1 3
2 216
3 7965
4 243000
5 6903873
6 190505196
7 5192233245
8 140764942800
9 3807455329593
10 102881965757076
11 2778771947174325
12 75038262510065400
13 2026169325431888913
14 54708199287259567356
15 1477140843778461200205
16 39883035730488375376800
17 1076844754605007952329833

List of values

[0, 3, 216, 7965, 243000, 6903873, 190505196, 5192233245, 140764942800, 3807455329593, 102881965757076, 2778771947174325, 75038262510065400, 2026169325431888913, 54708199287259567356, 1477140843778461200205, 39883035730488375376800, 1076844754605007952329833]

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

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