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.

A019552 a(n) is the concatenation of n and 4n.

Table of values

n a(n)
1 14
2 28
3 312
4 416
5 520
6 624
7 728
8 832
9 936
10 1040
11 1144
12 1248
13 1352
14 1456
15 1560
16 1664
17 1768
18 1872
19 1976
20 2080
21 2184
22 2288
23 2392
24 2496
25 25100
26 26104
27 27108
28 28112
29 29116
30 30120
31 31124
32 32128
33 33132
34 34136
35 35140
36 36144
37 37148
38 38152
39 39156
40 40160
41 41164

List of values

[14, 28, 312, 416, 520, 624, 728, 832, 936, 1040, 1144, 1248, 1352, 1456, 1560, 1664, 1768, 1872, 1976, 2080, 2184, 2288, 2392, 2496, 25100, 26104, 27108, 28112, 29116, 30120, 31124, 32128, 33132, 34136, 35140, 36144, 37148, 38152, 39156, 40160, 41164]