The "Row2" sums of the powers-of-2 triangle A000079.

A181174

The "Row2" sums of the powers-of-2 triangle A000079.

Terms

    a(0) =1a(1) =2a(2) =24a(3) =320a(4) =11264a(5) =688128a(6) =90177536a(7) =22817013760

External references