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.

A083469 Smallest k such that n*k is a reverse concatenation of n consecutive natural numbers. a(n) = A083468(n)/n.

Table of values

n a(n)
1 1
2 16
3 107
4 1358
5 197529
6 127572
7 3173145597388
8 12345679
9 109739369
10 1918171615141312111
11 183561974195583011010
12 109342591563786
13 1475516627031778546999
14 209162330374451586572798694

List of values

[1, 16, 107, 1358, 197529, 127572, 3173145597388, 12345679, 109739369, 1918171615141312111, 183561974195583011010, 109342591563786, 1475516627031778546999, 209162330374451586572798694]

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

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