121100

Appears in sequences

• a(n) = n^2 written in base 3.at n=21A001738
• Denominators of continued fraction convergents to sqrt(473).at n=11A041903
• (n+1)^2 concatenated with n^2.at n=10A246972
• Noninfinitary weird numbers: noninfinitary abundant numbers (A348274) that are not equal to the sum of any subset of their noninfinitary divisors.at n=6A348525