101022

Appears in sequences

• The natural numbers represented by their set theoretic Von Neumann construction, where the empty set is replaced by '0', the left set bracket '{' is replaced by 1, the right bracket '}' is replaced by 2 and the set construct contents are ordered by increasing cardinality.at n=2A129751
• Digitally balanced numbers: ternary numbers which have the same number of 0's as 1's as 2's.at n=7A181986