a(n) is the smallest number which when written in binary contains as substrings the binary expansions of 1..n.

A056744

a(n) is the smallest number which when written in binary contains as substrings the binary expansions of 1..n.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =12a(4) =44a(5) =44a(6) =92a(7) =184a(8) =1208a(9) =1256a(10) =4792a(11) =4792a(12) =9912a(13) =9912a(14) =19832a(15) =39664a(16) =563952a(17) =576464a(18) =4496112a(19) =4499184a(20) =17996528a(21) =17997488a(22) =143972080a(23) =143972080a(24) =145057520a(25) =145070832a(26) =294967024a(27) =294967024a(28) =589944560a(29) =589944560

External references