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.

A024612 a(n) = number in position n when all i^2 - i*j + j^2, where 1 <= i < j are arranged in increasing order.

Table of values

n a(n)
1 3
2 7
3 7
4 12
5 13
6 13
7 19
8 19
9 21
10 21
11 27
12 28
13 28
14 31
15 31
16 37
17 37
18 39
19 39
20 43
21 43
22 48
23 49
24 49
25 52
26 52
27 57
28 57
29 61
30 61
31 63
32 63
33 67
34 67
35 73
36 73
37 75
38 76
39 76
40 79
41 79
42 84
43 84
44 91
45 91
46 91
47 91
48 93
49 93
50 97
51 97
52 103
53 103
54 108
55 109
56 109
57 111
58 111
59 112
60 112
61 117
62 117
63 124
64 124
65 127
66 127
67 129
68 129
69 133

List of values

[3, 7, 7, 12, 13, 13, 19, 19, 21, 21, 27, 28, 28, 31, 31, 37, 37, 39, 39, 43, 43, 48, 49, 49, 52, 52, 57, 57, 61, 61, 63, 63, 67, 67, 73, 73, 75, 76, 76, 79, 79, 84, 84, 91, 91, 91, 91, 93, 93, 97, 97, 103, 103, 108, 109, 109, 111, 111, 112, 112, 117, 117, 124, 124, 127, 127, 129, 129, 133]

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

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