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.

A031159 Twin lucky numbers (upper terms).

Table of values

n a(n)
1 3
2 9
3 15
4 33
5 51
6 69
7 75
8 129
9 135
10 171
11 195
12 237
13 261
14 285
15 321
16 393
17 429
18 477
19 489
20 519
21 537
22 579
23 615
24 621
25 645
26 729
27 741
28 885
29 897
30 927
31 933
32 981
33 993
34 1011
35 1023
36 1041
37 1095
38 1107
39 1203
40 1233
41 1251
42 1263
43 1389
44 1419
45 1473
46 1497
47 1503

List of values

[3, 9, 15, 33, 51, 69, 75, 129, 135, 171, 195, 237, 261, 285, 321, 393, 429, 477, 489, 519, 537, 579, 615, 621, 645, 729, 741, 885, 897, 927, 933, 981, 993, 1011, 1023, 1041, 1095, 1107, 1203, 1233, 1251, 1263, 1389, 1419, 1473, 1497, 1503]

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

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