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A233181 Highly composite numbers of the form x^2 + xy + y^2. 0


%S 1,4,12,36,48,25200

%N Highly composite numbers of the form x^2 + xy + y^2.

%C Intersection of A002182 and A003136.

%C There are no more terms in this sequence; further terms would require a highly composite number with no primes of the form 6n+5 appearing with an odd exponent. - _Charles R Greathouse IV_, Dec 05 2013

%K nonn,fini,full,less

%O 1,2

%A _Irina Gerasimova_, Dec 05 2013

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Last modified October 23 11:14 EDT 2021. Contains 348211 sequences. (Running on oeis4.)