OFFSET
0,7
LINKS
Antti Karttunen, Table of n, a(n) for n = 0..16384
Antti Karttunen, Data supplement: n, a(n) computed for n = 0..65537
FORMULA
a(n) = gcd(n, A005940(1+n)).
PROG
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Dec 25 2020
STATUS
approved