Numbers n such that for all divisors of n, ratios of 2 consecutive divisors of n will always reduce to lowest terms to a fraction with numerator=denominator+2.

A280963

Numbers n such that for all divisors of n, ratios of 2 consecutive divisors of n will always reduce to lowest terms to a fraction with numerator=denominator+2.

Terms

    a(0) =1a(1) =3a(2) =9a(3) =15a(4) =27a(5) =75a(6) =81a(7) =99a(8) =243a(9) =255a(10) =315a(11) =375a(12) =729a(13) =783a(14) =1089a(15) =1875a(16) =2187a(17) =4335a(18) =6561a(19) =6723a(20) =9375a(21) =9999a(22) =11979a(23) =19683a(24) =22707a(25) =46875a(26) =59049a(27) =65535a(28) =73695a(29) =99855

External references