1,2

A046080(n) = A065339(n).

for all i,j exists k such that a(i)*a(j)=a(k).

825 = 3*5*5*11 = [(4*0+3)*(4*2+3)]*[(4*1+1)*(4*1+1)], therefore 825 is a term.

Cf. A002144, A002145.

Sequence in context: A084345 A084561 A078613 this_sequence A076351 A140117 A039743

Adjacent sequences: A072199 A072200 A072201 this_sequence A072203 A072204 A072205

nonn

Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Jul 03 2002