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.

A179889 Triangular numbers whose reverse is a square (possibly with fewer digits).

Table of values

n a(n)
1 1
2 10
3 630
4 52650
5 165600
6 986310
7 9446031
8 9485190
9 10693000
10 1270004401
11 14214075921
12 140884670790
13 1809702709101
14 4614899724711
15 6766532724546
16 9802814901400
17 10210140486640
18 14287075542460
19 52657436563056
20 98855178542676

List of values

[1, 10, 630, 52650, 165600, 986310, 9446031, 9485190, 10693000, 1270004401, 14214075921, 140884670790, 1809702709101, 4614899724711, 6766532724546, 9802814901400, 10210140486640, 14287075542460, 52657436563056, 98855178542676]

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

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