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.

A239610 Sin(arcsin(n) - 4 arccos(n))^2.

Table of values

n a(n)
1 0
2 1
3 131044
4 11309769
5 228735376
6 2258625625
7 14430255876
8 68689595569
9 264286471744
10 865363202001
11 2496558002500
12 6503780163001
13 15577324963344
14 34772403556969
15 73108895539876
16 145988618630625
17 278735579781376
18 511643454094369
19 907005861105444

List of values

[0, 1, 131044, 11309769, 228735376, 2258625625, 14430255876, 68689595569, 264286471744, 865363202001, 2496558002500, 6503780163001, 15577324963344, 34772403556969, 73108895539876, 145988618630625, 278735579781376, 511643454094369, 907005861105444]

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

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