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.

A247264 Smallest positive number not divisible by 10 whose square remains a square when prefixed with 10^n.

Table of values

n a(n)
0 15
1 75
2 11252109375
3 375
4 9694963627295445503856592180983186990852118469774723052978515625
5 6841439843263141047421876154427540653587129781953990459442138671875

List of values

[15, 75, 11252109375, 375, 9694963627295445503856592180983186990852118469774723052978515625, 6841439843263141047421876154427540653587129781953990459442138671875]

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

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