52463domain: NAppears in sequencesConvolution of A023532 and (F(2), F(3), F(4), ...).at n=21A023600Bisection of A000125.at n=34A100503a(n) = (-1)^n * n * a(n-1) - 1, with a(0)=0.at n=8A176304Number of sets of exactly five positive integers <= n having a square element sum.at n=39A281865