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.

A068668 a(1) = 9; a(n) = smallest palindromic multiple of a(n-1).

Table of values

n a(n)
1 9
2 99
3 1881
4 171171
5 1882881
6 306909603
7 11355655311
8 1033364633301
9 1034397997934301
10 10241574577547514201
11 10231343244544544234313201
12 112544775689989986577445211
13 1023144555797698967975554413201
14 102221350448336861989168633844053122201
15 11233003103852144358833233885344125830130033211

List of values

[9, 99, 1881, 171171, 1882881, 306909603, 11355655311, 1033364633301, 1034397997934301, 10241574577547514201, 10231343244544544234313201, 112544775689989986577445211, 1023144555797698967975554413201, 102221350448336861989168633844053122201, 11233003103852144358833233885344125830130033211]

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

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