OFFSET
0,2
LINKS
Antti Karttunen, Table of n, a(n) for n = 0..65537
PROG
(PARI)
A003961(n) = my(f = factor(n)); for (i=1, #f~, f[i, 1] = nextprime(f[i, 1]+1)); factorback(f); \\ From A003961
A046523(n) = { my(f=vecsort(factor(n)[, 2], , 4), p); prod(i=1, #f, (p=nextprime(p+1))^f[i]); }; \\ From A046523
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; };
v305434 = rgs_transform(vector(65538, n, A285713(n-1)));
A305434(n) = v305434[1+n];
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Jun 01 2018
STATUS
approved