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.

A055258 Sums of two powers of 7.

Table of values

n a(n)
0 2
1 8
2 14
3 50
4 56
5 98
6 344
7 350
8 392
9 686
10 2402
11 2408
12 2450
13 2744
14 4802
15 16808
16 16814
17 16856
18 17150
19 19208
20 33614
21 117650
22 117656
23 117698
24 117992
25 120050
26 134456
27 235298
28 823544
29 823550
30 823592
31 823886
32 825944
33 840350
34 941192
35 1647086
36 5764802
37 5764808
38 5764850
39 5765144
40 5767202
41 5781608
42 5882450
43 6588344
44 11529602

List of values

[2, 8, 14, 50, 56, 98, 344, 350, 392, 686, 2402, 2408, 2450, 2744, 4802, 16808, 16814, 16856, 17150, 19208, 33614, 117650, 117656, 117698, 117992, 120050, 134456, 235298, 823544, 823550, 823592, 823886, 825944, 840350, 941192, 1647086, 5764802, 5764808, 5764850, 5765144, 5767202, 5781608, 5882450, 6588344, 11529602]