1,2

Positive integers such that for every integer m==4 (mod 9) there exists a unique representation of m as a sum of the form a(l)+3a(s)

Cf. A146085 A146087 A145812 A145818

Sequence in context: A065198 A023109 A033866 this_sequence A007811 A166706 A131495

Adjacent sequences: A146088 A146089 A146090 this_sequence A146092 A146093 A146094

nonn

Vladimir Shevelev (shevelev(AT)bgu.ac.il), Oct 27 2008