OFFSET
1,1
LINKS
William D. Banks, John B. Friedlander, Florian Luca, Francesco Pappalardi, Igor E. Shparlinski, Coincidences in the values of the Euler and Carmichael functions, Acta Arithmetica 122(2006), 207-234.
CROSSREFS
KEYWORD
nonn
AUTHOR
Michel Marcus, Mar 14 2016
EXTENSIONS
More terms from Jinyuan Wang, Feb 13 2020
STATUS
approved