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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.

A329009 a(n) = p(1,n), where p(x,n) is the strong divisibility sequence of polynomials based on sqrt(3) as in A327321.

Table of values

n a(n)
1 1
2 4
3 52
4 80
5 1936
6 5824
7 69952
8 52480
9 2519296
10 7558144
11 90698752
12 136048640
13 3265171456
14 9795518464
15 117546237952
16 44079841280
17 4231664828416
18 12694994550784
19 152339934871552
20 228509902438400
21 5484237659570176
22 16452712979759104
23 197432555761303552

List of values

[1, 4, 52, 80, 1936, 5824, 69952, 52480, 2519296, 7558144, 90698752, 136048640, 3265171456, 9795518464, 117546237952, 44079841280, 4231664828416, 12694994550784, 152339934871552, 228509902438400, 5484237659570176, 16452712979759104, 197432555761303552]

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

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