OFFSET
1,2
COMMENTS
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..1000
EXAMPLE
2912 is in the sequence because lambda(2912) = tau(2912) = 24.
MAPLE
with(numtheory):for n from 1 to 15000 do: if lambda(n)=tau(n) then printf(`%d,
`, n):else fi:od:
MATHEMATICA
Select[Range[10^4], CarmichaelLambda[#] == DivisorSigma[0, #] &] (* Amiram Eldar, Jul 15 2019 *)
PROG
(PARI) isok(n) = numdiv(n) == lcm(znstar(n)[2]) \\ Miles Englezou, Feb 05 2024
CROSSREFS
KEYWORD
nonn
AUTHOR
Michel Lagneau, Nov 23 2010
STATUS
approved