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.

A273189 a(n) is the third number in a triple consisting of 3 numbers, which when squared are part of a right diagonal of a magic square of squares.

Table of values

n a(n)
0 51
1 401
2 2451
3 14401
4 84051
5 490001
6 2856051
7 16646401
8 97022451
9 565488401
10 3295908051
11 19209960001
12 111963852051
13 652573152401
14 3803475062451
15 22168277222401
16 129206188272051
17 753068852410001
18 4389206926188051
19 25582172704718401
20 149103829302122451

List of values

[51, 401, 2451, 14401, 84051, 490001, 2856051, 16646401, 97022451, 565488401, 3295908051, 19209960001, 111963852051, 652573152401, 3803475062451, 22168277222401, 129206188272051, 753068852410001, 4389206926188051, 25582172704718401, 149103829302122451]