a(1)=1. a(n) = the smallest positive integer that, when written in binary, contains both binary a(n-1) and binary n as (possibly overlapping) substrings.
A164859
a(1)=1. a(n) = the smallest positive integer that, when written in binary, contains both binary a(n-1) and binary n as (possibly overlapping) substrings.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =12a(4) =44a(5) =44a(6) =236a(7) =472a(8) =2520a(9) =10712a(10) =10712a(11) =10712a(12) =10712a(13) =10712a(14) =125400a(15) =250800a(16) =2347952a(17) =19125168a(18) =19125168a(19) =19125168a(20) =354669488a(21) =354669488a(22) =6260249520a(23) =6260249520a(24) =109339464624a(25) =109339464624a(26) =109339464624
External references
- oeis: A164859