|
|
|
|
|
|
|
|
|
#61 by Joerg Arndt at Thu Jul 06 10:55:54 EDT 2023
|
|
|
|
|
|
|
|
#60 by Michel Marcus at Thu Jul 06 10:55:42 EDT 2023
|
|
|
|
|
|
|
|
#59 by Michel Marcus at Thu Jul 06 10:55:39 EDT 2023
|
|
|
|
|
|
|
|
#58 by Michel Marcus at Thu Jul 06 10:55:27 EDT 2023
|
|
| PROG
|
from math import gcd
|
|
| STATUS
|
proposed
editing
|
|
|
|
|
|
|
#57 by Chai Wah Wu at Thu Jul 06 10:40:40 EDT 2023
|
|
|
|
|
|
|
|
#56 by Chai Wah Wu at Thu Jul 06 10:40:36 EDT 2023
|
|
| PROG
|
(Python)
from itertools import count, islice
from sympy import isprime, divisor_sigma
def A003624_gen(startvalue=2): # generator of terms
return filter(lambda k:not isprime(k) and gcd(k, divisor_sigma(k))==1, count(max(startvalue, 2)))
A003624_list = list(islice(A003624_gen(), 30)) # Chai Wah Wu, Jul 06 2023
|
|
| STATUS
|
approved
editing
|
|
|
|
|
|
|
#55 by OEIS Server at Fri Apr 24 04:07:43 EDT 2020
|
|
| LINKS
|
Amiram Eldar, <a href="/A003624/b003624_1.txt">Table of n, a(n) for n = 1..10000</a> (terms 1..1000 from T. D. Noe)
|
|
|
|
|
|
|
#54 by Michel Marcus at Fri Apr 24 04:07:43 EDT 2020
|
|
|
|
|
|
Discussion
|
| Fri Apr 24
| 04:07
| OEIS Server: Installed new b-file as b003624.txt. Old b-file is now b003624_1.txt.
|
|
|
|
|
|
|
#53 by Joerg Arndt at Fri Apr 24 03:49:09 EDT 2020
|
|
|
|
|
|
|
|
#52 by Amiram Eldar at Fri Apr 24 03:47:24 EDT 2020
|
|
|
|
|
|
|
