32837domain: NAppears in sequencesa(n) = 3*Fibonacci(n) + (-1)^n.at n=21A097133Number of zero-sum -n..n arrays of 5 elements with first through third differences also in -n..n.at n=14A202513a(n) = Sum_{k=1..floor(sqrt(n))} 2^floor(n/k-k).at n=16A360303a(n) = a(n-1) + a(n-2) + 1 with a(0)=2 and a(1)=2.at n=20A377628