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.

A031158 Twin lucky numbers (lower terms).

Table of values

n a(n)
1 1
2 7
3 13
4 31
5 49
6 67
7 73
8 127
9 133
10 169
11 193
12 235
13 259
14 283
15 319
16 391
17 427
18 475
19 487
20 517
21 535
22 577
23 613
24 619
25 643
26 727
27 739
28 883
29 895
30 925
31 931
32 979
33 991
34 1009
35 1021
36 1039
37 1093
38 1105
39 1201
40 1231
41 1249
42 1261
43 1387
44 1417
45 1471
46 1495
47 1501

List of values

[1, 7, 13, 31, 49, 67, 73, 127, 133, 169, 193, 235, 259, 283, 319, 391, 427, 475, 487, 517, 535, 577, 613, 619, 643, 727, 739, 883, 895, 925, 931, 979, 991, 1009, 1021, 1039, 1093, 1105, 1201, 1231, 1249, 1261, 1387, 1417, 1471, 1495, 1501]