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.

A069667 Smallest nontrivial (no trailing zeros) n-digit square with minimum digit sum.

Table of values

n a(n)
1 1
2 16
3 121
4 1024
5 10201
6 101124
7 1002001
8 24000201
9 100020001
10 2500100001
11 10000200001
12 141001001001
13 1000002000001
14 25000010000001
15 100000020000001
16 2500000100000001
17 10000000200000001
18 250000001000000001

List of values

[1, 16, 121, 1024, 10201, 101124, 1002001, 24000201, 100020001, 2500100001, 10000200001, 141001001001, 1000002000001, 25000010000001, 100000020000001, 2500000100000001, 10000000200000001, 250000001000000001]

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

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