a(n) = sum of squares of numbers < 2^n having exactly [n/2]+1 ones in their binary expansion.

A110201

a(n) = sum of squares of numbers < 2^n having exactly [n/2]+1 ones in their binary expansion.

Terms

    a(0) =1a(1) =9a(2) =70a(3) =535a(4) =3906a(5) =29274a(6) =215900a(7) =1628175a(8) =12197570a(9) =92830430a(10) =704127060a(11) =5400199350a(12) =41331491124a(13) =318871044756

External references