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.

A083153 a(1) = 7, a(n) = smallest nontrivial palindromic multiple of a(n-1). a(n) is not equal to a(n-1) or a concatenation of a(n-1) with itself.

Table of values

n a(n)
1 7
2 161
3 1771
4 161161
5 1772771
6 414828414
7 4107216127014
8 45179377397154
9 410725719917527014
10 210233245545545542332012
11 210023222533245542335222320012
12 21212345475857799775857454321212
13 2100232225542478645885468742455222320012

List of values

[7, 161, 1771, 161161, 1772771, 414828414, 4107216127014, 45179377397154, 410725719917527014, 210233245545545542332012, 210023222533245542335222320012, 21212345475857799775857454321212, 2100232225542478645885468742455222320012]