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.

A359235 a(n) is the smallest centered square number with exactly n prime factors (counted with multiplicity).

Table of values

n a(n)
0 1
1 5
2 25
3 925
4 1625
5 47125
6 2115625
7 4330625
8 83760625
9 1049140625
10 6098828125
11 224991015625
12 3735483578125
13 329495166015625
14 8193863401953125
15 7604781494140625
16 216431299462890625
17 148146624615478515625
18 25926420587158203125
19 11071085186929931640625

List of values

[1, 5, 25, 925, 1625, 47125, 2115625, 4330625, 83760625, 1049140625, 6098828125, 224991015625, 3735483578125, 329495166015625, 8193863401953125, 7604781494140625, 216431299462890625, 148146624615478515625, 25926420587158203125, 11071085186929931640625]

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

Content is available under The OEIS End-User License Agreement.