Composite numbers whose exponents in their canonical factorization lie in the geometric progression 1, 3, 9, ...

A102838

Composite numbers whose exponents in their canonical factorization lie in the geometric progression 1, 3, 9, ...

Terms

    a(0) =54a(1) =250a(2) =375a(3) =686a(4) =1029a(5) =1715a(6) =2662a(7) =3993a(8) =4394a(9) =6591a(10) =6655a(11) =9317a(12) =9826a(13) =10985a(14) =13718a(15) =14739a(16) =15379a(17) =20577a(18) =24167a(19) =24334a(20) =24565a(21) =34295a(22) =34391a(23) =36501a(24) =48013a(25) =48778a(26) =54043a(27) =59582a(28) =60835a(29) =63869

External references