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.

A239450 Numbers m such that T(m)^2 + T(m^2) is a perfect square, where T = A000217.

Table of values

n a(n)
1 0
2 3
3 47
4 659
5 9183
6 127907
7 1781519
8 24813363
9 345605567
10 4813664579
11 67045698543
12 933826115027
13 13006519911839
14 181157452650723
15 2523197817198287
16 35143611988125299
17 489487370016555903
18 6817679568243657347
19 94958026585394646959
20 1322594692627281400083

List of values

[0, 3, 47, 659, 9183, 127907, 1781519, 24813363, 345605567, 4813664579, 67045698543, 933826115027, 13006519911839, 181157452650723, 2523197817198287, 35143611988125299, 489487370016555903, 6817679568243657347, 94958026585394646959, 1322594692627281400083]

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

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