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.

A102567 Numbers k such that the concatenation of k with itself is a biperiod square.

Table of values

n a(n)
1 13223140496
2 20661157025
3 29752066116
4 40495867769
5 52892561984
6 66942148761
7 82644628100
8 183673469387755102041
9 326530612244897959184
10 510204081632653061225
11 734693877551020408164

List of values

[13223140496, 20661157025, 29752066116, 40495867769, 52892561984, 66942148761, 82644628100, 183673469387755102041, 326530612244897959184, 510204081632653061225, 734693877551020408164]

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

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