Number of subsets of {1..n} such that a unique set can be obtained by choosing a different binary index of each element.

A370638

Number of subsets of {1..n} such that a unique set can be obtained by choosing a different binary index of each element.

Terms

    a(0) =1a(1) =2a(2) =4a(3) =6a(4) =12a(5) =19a(6) =30a(7) =45a(8) =90a(9) =147a(10) =230a(11) =343a(12) =504a(13) =716a(14) =994a(15) =1352a(16) =2704a(17) =4349a(18) =6469a(19) =9162a(20) =12585a(21) =16862a(22) =22122a(23) =28617a(24) =36653a(25) =46431a(26) =58075a(27) =72097a(28) =88456a(29) =107966

External references