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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.

A181789 Pandigital biperiod squares: pandigital squares whose digits repeat twice in order.

Table of values

n a(n)
1 183673469387755102041183673469387755102041
2 326530612244897959184326530612244897959184
3 734693877551020408164734693877551020408164
4 132231404958677685950413223140496132231404958677685950413223140496

List of values

[183673469387755102041183673469387755102041, 326530612244897959184326530612244897959184, 734693877551020408164734693877551020408164, 132231404958677685950413223140496132231404958677685950413223140496]

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

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