a(n) is the smallest positive multiple k of n such that every length of the runs of 0's and 1's in the binary representation of k is coprime to n.
A162537
a(n) is the smallest positive multiple k of n such that every length of the runs of 0's and 1's in the binary representation of k is coprime to n.
Terms
- a(0) =1a(1) =2a(2) =3a(3) =8a(4) =5a(5) =42a(6) =7a(7) =8a(8) =9a(9) =10a(10) =11a(11) =672a(12) =13a(13) =14a(14) =15a(15) =32a(16) =17a(17) =522a(18) =19a(19) =40a(20) =21a(21) =682a(22) =23a(23) =672a(24) =25a(25) =130a(26) =27a(27) =56a(28) =29a(29) =2730
External references
- oeis: A162537