-4964domain: ZAppears in sequencesExpansion of Product_{m>=1} ((1+q^(2*m-1))/(1+q^(2*m)))^3.at n=39A029840a(n) = Sum_{k=0..floor(n/4)} (-1)^k * (n-3*k)!/(n-4*k)!.at n=24A358605Expansion of Sum_{k>0} (1/(1+x^k)^4 - 1).at n=28A363631