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.

A068174 Define an increasing sequence as follows. Start with an initial term, the seed (which need not have the property of the sequence); subsequent terms are obtained by inserting/placing at least one digit in the previous term to obtain the smallest number with the given property. This is the prime sequence with the seed a(1) = 9.

Table of values

n a(n)
1 9
2 19
3 109
4 1009
5 10009
6 100019
7 1000159
8 10001569
9 100001569
10 1000015069
11 10000135069
12 100001350649
13 1000013500649
14 10000130500649
15 100001303500649
16 1000013032500649
17 10000103032500649
18 100001030325003649
19 1000010130325003649
20 10000101303250036493

List of values

[9, 19, 109, 1009, 10009, 100019, 1000159, 10001569, 100001569, 1000015069, 10000135069, 100001350649, 1000013500649, 10000130500649, 100001303500649, 1000013032500649, 10000103032500649, 100001030325003649, 1000010130325003649, 10000101303250036493]

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

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