OFFSET
1,2
LINKS
Antti Karttunen, Table of n, a(n) for n = 1..16384
PROG
(PARI)
A046523(n) = { my(f=vecsort(factor(n)[, 2], , 4), p); prod(i=1, #f, (p=nextprime(p+1))^f[i]); }; \\ From A046523
A209229(n) = (n && !bitand(n, n-1));
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Nov 30 2016
STATUS
approved