OFFSET
1,1
COMMENTS
Solutions to phi(n) = phi(sigma(n)) that are given by Theorem 3 of Golomb's manuscript, i.e., a subset of all solutions (A006872).
LINKS
S. W. Golomb, Equality among number-theoretic functions, Unpublished manuscript. (Annotated scanned copy)
FORMULA
For all n >= 1, A353636(a(n)) = 0.
PROG
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, May 25 2022
STATUS
approved