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.

A274545 Values of k such that 5*k-1 and 10*k-1 are both perfect squares.

Table of values

n a(n)
1 1
2 29
3 33293
4 1130977
5 1305146305
6 44336554445
7 51164345409437
8 1738081606216033
9 2005744667435597089
10 68136275082544365341
11 78629202401645931667661
12 2671078254047822603875969
13 3082421990543579145800043553
14 104711609647046466634601365517

List of values

[1, 29, 33293, 1130977, 1305146305, 44336554445, 51164345409437, 1738081606216033, 2005744667435597089, 68136275082544365341, 78629202401645931667661, 2671078254047822603875969, 3082421990543579145800043553, 104711609647046466634601365517]

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

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