-3002

Appears in sequences

• Row sums of number triangle related to the Jacobsthal numbers.at n=39A110325
• Alternating row sums of A257241, Stifel's version of the arithmetical triangle.at n=14A258144
• a(n) = Sum_{k=0..floor(n/8)} (-1)^k*binomial(n,8*k).at n=14A307044
• a(n) = Sum_{d|n} mu(d) * binomial(d + n/d - 2, d-1).at n=62A338656
• Rounded value of 1/(x[n] + n), where x[n] is the n-th negative solution to Gamma(x) = x^2.at n=4A339167