OFFSET
1,4
LINKS
Antti Karttunen, Table of n, a(n) for n = 1..65537
FORMULA
PROG
(PARI)
allocatemem(2^30);
up_to = 65537;
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; };
write_to_bfile(start_offset, vec, bfilename) = { for(n=1, length(vec), write(bfilename, (n+start_offset)-1, " ", vec[n])); }
A051953(n) = (n-eulerphi(n));
A001065(n) = (sigma(n)-n);
write_to_bfile(1, rgs_transform(vector(up_to, n, Anotsubmitted5(n))), "b295885.txt");
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Dec 03 2017
STATUS
approved