In binary starting with 1, prepend a 1 and as few 0's as required such that the new number is relatively prime to all previous in sequence. Thus binary 1, 11, 111, 10111, 110111, 100110111, 1100110111, 11100110111.
A168612
In binary starting with 1, prepend a 1 and as few 0's as required such that the new number is relatively prime to all previous in sequence. Thus binary 1, 11, 111, 10111, 110111, 100110111, 1100110111, 11100110111.
Terms
- a(0) =1a(1) =3a(2) =7a(3) =23a(4) =55a(5) =311a(6) =823a(7) =1847a(8) =10039a(9) =26423a(10) =8415031a(11) =25192247a(12) =58746679a(13) =1132488503a(14) =3279972151a(15) =7574939447a(16) =16164874039a(17) =291042780983a(18) =840798594871
External references
- oeis: A168612