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.

A109929 Least palindromic multiple of concatenation n,n-1,n-2,...3,2,1.

Table of values

n a(n)
1 1
2 252
3 180081
4 855558
5 335323533
6 1072288822701
7 1338059508331
8 770589909985077
9 97777777779
10 98888888889
11 1109887655445567889011
12 739760991261414162199067937
13 33436553118011488411081135563433
14 4447899705293460330643925079987444
15 551190490170920715517029071094091155

List of values

[1, 252, 180081, 855558, 335323533, 1072288822701, 1338059508331, 770589909985077, 97777777779, 98888888889, 1109887655445567889011, 739760991261414162199067937, 33436553118011488411081135563433, 4447899705293460330643925079987444, 551190490170920715517029071094091155]

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

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