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.

A360190 Starting from 1, successively take the smallest "Choix de Bruxelles" with factor 13 which is not already in the sequence.

Table of values

n a(n)
0 1
1 13
2 133
3 1333
4 13333
5 133333
6 1333333
7 125641
8 1256413
9 12564133
10 1197241
11 117481
12 9037
13 90391
14 9031
15 90313
16 903133
17 90241
18 902413
19 9024133
20 90241333
21 6941641
22 693241
23 6932413
24 69324133
25 6717241
26 671557
27 65557
28 5557
29 55591
30 5431
31 54313
32 543133
33 54241

List of values

[1, 13, 133, 1333, 13333, 133333, 1333333, 125641, 1256413, 12564133, 1197241, 117481, 9037, 90391, 9031, 90313, 903133, 90241, 902413, 9024133, 90241333, 6941641, 693241, 6932413, 69324133, 6717241, 671557, 65557, 5557, 55591, 5431, 54313, 543133, 54241]

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

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