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.

A247263 Positive numbers not divisible by 10 whose squares remain squares when prefixed with 1000.

Table of values

n a(n)
1 375
2 2371875
3 6816208478590683385931482169914619837072677910327911376953125
4 140221743281593822163509288486586064542459780568606220185756683349609375
5 818488127823449514709977488133381451695186814276894438080489635467529296875

List of values

[375, 2371875, 6816208478590683385931482169914619837072677910327911376953125, 140221743281593822163509288486586064542459780568606220185756683349609375, 818488127823449514709977488133381451695186814276894438080489635467529296875]

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

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