a(n) is the least nonnegative number whose binary digits do not appear in order (not necessarily consecutively) in the concatenation of the binary representations of all previous terms.

A309340

a(n) is the least nonnegative number whose binary digits do not appear in order (not necessarily consecutively) in the concatenation of the binary representations of all previous terms.

Terms

    a(0) =0a(1) =1a(2) =2a(3) =4a(4) =9a(5) =38a(6) =304a(7) =2433a(8) =38938a(9) =2492040a(10) =318981139a(11) =163318343502

External references