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.

A374669 a(n) is the least number with n prime factors (counted with multiplicity) that is the concatenation of two primes.

Table of values

n a(n)
1 23
2 22
3 27
4 132
5 32
6 729
7 192
8 2112
9 1792
10 5632
11 3072
12 59392
13 64512
14 90112
15 110592
16 950272
17 2260992
18 3244032
19 786432
20 30277632
21 7340032
22 23068672
23 12582912
24 494927872
25 1333788672
26 1375731712
27 704643072
28 3892314112
29 1879048192
30 37446746112
31 27380416512
32 196494753792
33 30064771072
34 94489280512

List of values

[23, 22, 27, 132, 32, 729, 192, 2112, 1792, 5632, 3072, 59392, 64512, 90112, 110592, 950272, 2260992, 3244032, 786432, 30277632, 7340032, 23068672, 12582912, 494927872, 1333788672, 1375731712, 704643072, 3892314112, 1879048192, 37446746112, 27380416512, 196494753792, 30064771072, 94489280512]