cp's OEIS Frontend

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.

A161729 a(n) = ((4+sqrt(3))*(8+2*sqrt(3))^n-(4-sqrt(3))*(8-2*sqrt(3))^n)/(2*sqrt(3)).

Table of values

n a(n)
0 1
1 16
2 204
3 2432
4 28304
5 326400
6 3750592
7 43036672
8 493555968
9 5658988544
10 64878906368
11 743795097600
12 8527018430464
13 97754949812224
14 1120674238611456
15 12847530427547648
16 147285426432966656
17 1688495240694988800
18 19357081676605554688
19 221911554309549457408
20 2544016621769302474752

List of values

[1, 16, 204, 2432, 28304, 326400, 3750592, 43036672, 493555968, 5658988544, 64878906368, 743795097600, 8527018430464, 97754949812224, 1120674238611456, 12847530427547648, 147285426432966656, 1688495240694988800, 19357081676605554688, 221911554309549457408, 2544016621769302474752]

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

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