Numerator of Sum_{k=0..n} binomial(n,k)/2^(k*(k-1)/2).
A079491
Numerator of Sum_{k=0..n} binomial(n,k)/2^(k*(k-1)/2).
Terms
- a(0) =1a(1) =2a(2) =7a(3) =45a(4) =545a(5) =12625a(6) =564929a(7) =49162689a(8) =8361575425
External references
- oeis: A079491
A079491
Numerator of Sum_{k=0..n} binomial(n,k)/2^(k*(k-1)/2).