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.

Showing 1-2 of 2 results.

A082777 a(1) = 2, a(n) = smallest palindromic multiple of a(n-1) obtained by inserting digits anywhere in a(n-1).

Original entry on oeis.org

2, 22, 242, 24442, 24466442, 243465564342, 2434655886885564342, 2434655886887998997886885564342
Offset: 1

Views

Author

Amarnath Murthy, Apr 19 2003

Keywords

Crossrefs

Extensions

Corrected by Ray Chandler, Oct 13 2003
a(7) from Sean A. Irvine, Apr 19 2010
a(8) from Max Alekseyev, Nov 24 2024

A088774 a(n) = A082779(n+1)/A082779(n).

Original entry on oeis.org

11, 11, 101, 10001, 99775226, 10000000000000001
Offset: 1

Views

Author

Ray Chandler, Oct 26 2003

Keywords

Comments

a(n)<=10^A055642(A082779(n))+1. If A082779(n) > 10 and the last digit of A082779(n) <= 4, then a(n)<=10^(A055642(A082779(n))-1)+1. - Chai Wah Wu, Mar 06 2021

Crossrefs

Extensions

Corrected a(5) and removed possibly erroneous a(6) by Chai Wah Wu, Mar 06 2021
a(6) from Max Alekseyev, Nov 24 2024
Showing 1-2 of 2 results.