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.

A066555 a(n) = next substring in concatenation of even numbers with length n (incl. leading zeros).

Table of values

n a(n)
1 2
2 46
3 810
4 1214
5 16182
6 22242
7 6283032
8 34363840
9 424446485
10 525456586
11 6264666870
12 727476788082
13 8486889092949
14 69810010210410
15 610811011211411
16 6118120122124126
17 12813013213413613
18 814014214414614815

List of values

[2, 46, 810, 1214, 16182, 22242, 6283032, 34363840, 424446485, 525456586, 6264666870, 727476788082, 8486889092949, 69810010210410, 610811011211411, 6118120122124126, 12813013213413613, 814014214414614815]

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

Content is available under The OEIS End-User License Agreement.