OFFSET
1,2
COMMENTS
a(n+2) >= a(n) - 1.
a(n) exists: e.g. by the Chinese Remainder Theorem there are arbitrarily long intervals where mu = 0.
LINKS
Mathematics StackExchange, Is there a Mobius palindrome?
MAPLE
mu:= proc(n) option remember; numtheory:-mobius(n) end proc:
ispali:= proc(L) andmap(i -> (L[i]=L[-i]), [$1..nops(L)/2]) end proc;
f:= proc(n) local k;
for k from 1 do
if ispali(map(mu, [$k..k+n-1])) then return k fi
od;
end proc:
map(f, [$1..30]);
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Robert Israel, Sep 28 2017
EXTENSIONS
a(24)-a(29) from Lukas Naatz, Jan 10 2020
STATUS
approved