-38759

Appears in sequences

• Expansion of 1/((1+x)^7 - x^7).at n=14A049018
• a(n) = Sum_{k=0..floor(n/7)} (-1)^k*binomial(n,7*k).at n=19A307041
• a(n) = Sum_{k=0..floor(n/7)} (-1)^k*binomial(n,7*k).at n=20A307041
• First term of n-th difference sequence of (floor(k*r)), r = sqrt(3/4), k >= 0.at n=19A325732