Number of subsets of {1..n} containing n such that it is possible to choose a different binary index of each element.

A370639

Number of subsets of {1..n} containing n such that it is possible to choose a different binary index of each element.

Terms

    a(0) =0a(1) =1a(2) =2a(3) =3a(4) =7a(5) =10a(6) =15a(7) =22a(8) =61a(9) =81a(10) =112a(11) =154a(12) =207a(13) =276a(14) =355a(15) =464a(16) =1771a(17) =2166a(18) =2724a(19) =3445a(20) =4246a(21) =5292a(22) =6420a(23) =7922a(24) =9586a(25) =11667a(26) =13768a(27) =16606a(28) =19095a(29) =22825

External references