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.

A210513 Primes formed by concatenating k, k, and 7.

Table of values

n a(n)
1 227
2 337
3 557
4 887
5 997
6 11117
7 24247
8 26267
9 27277
10 29297
11 30307
12 32327
13 39397
14 48487
15 51517
16 54547
17 60607
18 62627
19 65657
20 68687
21 69697
22 72727
23 74747
24 78787
25 81817
26 87877
27 89897
28 90907
29 92927
30 93937
31 95957
32 101710177
33 101910197
34 103110317
35 103410347
36 103810387

List of values

[227, 337, 557, 887, 997, 11117, 24247, 26267, 27277, 29297, 30307, 32327, 39397, 48487, 51517, 54547, 60607, 62627, 65657, 68687, 69697, 72727, 74747, 78787, 81817, 87877, 89897, 90907, 92927, 93937, 95957, 101710177, 101910197, 103110317, 103410347, 103810387]