Decimal value of the concatenation of first n odd numbers in binary.

A164943

Decimal value of the concatenation of first n odd numbers in binary.

Terms

    a(0) =1a(1) =7a(2) =61a(3) =495a(4) =7929a(5) =126875a(6) =2030013a(7) =32480223a(8) =1039367153a(9) =33259748915

External references