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.

A117153 The floretion + .25'i + .25'j + .25'k + .25i' + .25j' + .25k' + .25'ii' + .25'jj' + .25'kk' + .25'ij' + .25'ik' + .25'ji' + .25'jk' + .25'ki' + .25'kj' + .25e.

Table of values

n a(n)
1 3
2 -3
3 9
4 -12
5 -15
6 0
7 33
8 -42
9 -36
10 30
11 15
12 -54
13 -6
14 63
15 -63
16 -15
17 54
18 -36
19 -42
20 24
21 -12
22 -15
23 33
24 -36
25 12
26 39
27 -30
28 3
29 15
30 27
31 39
32 9
33 54
34 12
35 33
36 51
37 18
38 99
39 60
40 0
41 87
42 84
43 36
44 60
45 96
46 45
47 102
48 93
49 42
50 93
51 111
52 57
53 114
54 129
55 57
56 132
57 138
58 78
59 81
60 165
61 81

List of values

[3, -3, 9, -12, -15, 0, 33, -42, -36, 30, 15, -54, -6, 63, -63, -15, 54, -36, -42, 24, -12, -15, 33, -36, 12, 39, -30, 3, 15, 27, 39, 9, 54, 12, 33, 51, 18, 99, 60, 0, 87, 84, 36, 60, 96, 45, 102, 93, 42, 93, 111, 57, 114, 129, 57, 132, 138, 78, 81, 165, 81]

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

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