143972080

Appears in sequences

• a(n) is the smallest number which when written in binary contains as substrings the binary expansions of 1..n.at n=22A056744
• a(n) is the smallest number which when written in binary contains as substrings the binary expansions of 1..n.at n=23A056744
• Where records occur in A261461.at n=20A261467