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.

A068166 Define an increasing sequence as follows. Given the first term, called the seed (which need not share the property of the remaining terms), subsequent terms are obtained by inserting at least one digit in the previous term so as to obtain the smallest number with the specified property. This is the prime sequence with the seed a(1) = 1.

Table of values

n a(n)
1 1
2 11
3 101
4 1013
5 10103
6 100103
7 1001003
8 10010023
9 100010023
10 1000100239
11 10001000239
12 100010002039
13 1000100020319
14 10001000200319
15 100001000200319
16 1000010002000319
17 10000100002000319
18 100001000020003109
19 1000010000200031039
20 10000100002000310329

List of values

[1, 11, 101, 1013, 10103, 100103, 1001003, 10010023, 100010023, 1000100239, 10001000239, 100010002039, 1000100020319, 10001000200319, 100001000200319, 1000010002000319, 10000100002000319, 100001000020003109, 1000010000200031039, 10000100002000310329]

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

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