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.

A190377 Numbers with prime factorization p^2*q^2*r^2*s^2 where p, q, r, and s are distinct primes.

Table of values

n a(n)
1 44100
2 108900
3 152100
4 213444
5 260100
6 298116
7 324900
8 476100
9 509796
10 592900
11 636804
12 736164
13 756900
14 828100
15 864900
16 933156
17 1232100
18 1258884
19 1334025
20 1416100
21 1483524
22 1512900
23 1572516
24 1664100
25 1695204
26 1758276
27 1768900
28 1863225

List of values

[44100, 108900, 152100, 213444, 260100, 298116, 324900, 476100, 509796, 592900, 636804, 736164, 756900, 828100, 864900, 933156, 1232100, 1258884, 1334025, 1416100, 1483524, 1512900, 1572516, 1664100, 1695204, 1758276, 1768900, 1863225]