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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.

A297180 a(n) is the smallest positive integer of length (distance from origin) n in the Cayley graph of the integers generated by all powers of 7.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 11
6 18
7 25
8 74
9 123
10 172
11 515
12 858
13 1201
14 3602
15 6003
16 8404
17 25211
18 42018
19 58825
20 176474
21 294123
22 411772
23 1235315
24 2058858
25 2882401
26 8647202
27 14412003
28 20176804
29 60530411
30 100884018
31 141237625
32 423712874
33 706188123
34 988663372
35 2965990115
36 4943316858

List of values

[1, 2, 3, 4, 11, 18, 25, 74, 123, 172, 515, 858, 1201, 3602, 6003, 8404, 25211, 42018, 58825, 176474, 294123, 411772, 1235315, 2058858, 2882401, 8647202, 14412003, 20176804, 60530411, 100884018, 141237625, 423712874, 706188123, 988663372, 2965990115, 4943316858]

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

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