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.

A223457 Composite numbers whose number of proper divisors has a number of proper divisors which has a prime number of proper divisors.

Table of values

n a(n)
1 44100
2 46656
3 57600
4 65536
5 108900
6 112896
7 152100
8 213444
9 260100
10 278784
11 298116
12 313600
13 324900
14 331776
15 389376
16 476100
17 509796
18 592900
19 636804
20 656100
21 665856
22 736164
23 756900
24 774400
25 828100
26 831744
27 864900
28 933156
29 1000000
30 1081600
31 1218816
32 1232100

List of values

[44100, 46656, 57600, 65536, 108900, 112896, 152100, 213444, 260100, 278784, 298116, 313600, 324900, 331776, 389376, 476100, 509796, 592900, 636804, 656100, 665856, 736164, 756900, 774400, 828100, 831744, 864900, 933156, 1000000, 1081600, 1218816, 1232100]