OFFSET
1,2
COMMENTS
All 3-perfect numbers (A005820) that are even and not multiples of 3 are included in this sequence, including also any hypothetical term of the form 4u+2.
If A323653 is indeed a subsequence of this sequence, then there are no odd perfect numbers. - Antti Karttunen, Jul 17 2023
LINKS
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Antti Karttunen, Feb 18 2022
STATUS
approved