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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.

A287879 Irregular triangle read by rows: normalized dimensions of certain generalized quadratic residue codes of length n.

Table of values

n a(n)
1 2
2 4
3 2
4 8
5 6
6 16
7 16
8 18
9 32
10 40
11 50
12 64
13 96
14 132
15 146
16 128
17 224
18 336
19 406
20 256
21 512
22 832
23 1088
24 1186
25 512
26 1152
27 2016
28 2832
29 3330
30 1024
31 2560
32 4800
33 7200
34 9060
35 9762
36 2048
37 5632
38 11264
39 17952
40 24024
41 27654
42 4096
43 12288
44 26112
45 44032
46 62352
47 76176
48 81330
49 8192
50 26624
51 59904
52 106496
53 158912
54 204984
55 232050
56 16384
57 57344
58 136192
59 254464
60 398720
61 540736
62 645540
63 684210

List of values

[2, 4, 2, 8, 6, 16, 16, 18, 32, 40, 50, 64, 96, 132, 146, 128, 224, 336, 406, 256, 512, 832, 1088, 1186, 512, 1152, 2016, 2832, 3330, 1024, 2560, 4800, 7200, 9060, 9762, 2048, 5632, 11264, 17952, 24024, 27654, 4096, 12288, 26112, 44032, 62352, 76176, 81330, 8192, 26624, 59904, 106496, 158912, 204984, 232050, 16384, 57344, 136192, 254464, 398720, 540736, 645540, 684210]

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

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