19125168

Appears in sequences

• 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.at n=17A164859
• 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.at n=18A164859
• 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.at n=19A164859