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.

A319213 a(n) = phi(n^3 - 1)/3 where phi is A000010.

Table of values

n a(n)
2 2
3 4
4 12
5 20
6 56
7 36
8 144
9 96
10 216
11 144
12 520
13 240
14 840
15 480
16 576
17 816
18 1568
19 756
20 2520
21 1232
22 1872
23 1560
24 4400
25 1440
26 4320
27 3024
28 4860
29 3168
30 7056
31 2640
32 9000
33 5984
34 7920
35 6144
36 10080
37 4752
38 17784
39 7992
40 13104
41 9184
42 22080
43 7560
44 23688
45 12960
46 14688
47 15840
48 33120

List of values

[2, 4, 12, 20, 56, 36, 144, 96, 216, 144, 520, 240, 840, 480, 576, 816, 1568, 756, 2520, 1232, 1872, 1560, 4400, 1440, 4320, 3024, 4860, 3168, 7056, 2640, 9000, 5984, 7920, 6144, 10080, 4752, 17784, 7992, 13104, 9184, 22080, 7560, 23688, 12960, 14688, 15840, 33120]

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

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