OFFSET
1,2
LINKS
Antti Karttunen, Table of n, a(n) for n = 1..74431
PROG
(PARI)
rgs_transform(invec) = { my(om = Map(), outvec = vector(length(invec)), u=1); for(i=1, length(invec), if(mapisdefined(om, invec[i]), my(pp = mapget(om, invec[i])); outvec[i] = outvec[pp] , mapput(om, invec[i], i); outvec[i] = u; u++ )); outvec; };
A046523(n) = { my(f=vecsort(factor(n)[, 2], , 4), p); prod(i=1, #f, (p=nextprime(p+1))^f[i]); }; \\ From A046523
A304732(n) = v304732[n];
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, May 19 2018
STATUS
approved