115755domain: NAppears in sequencesNumber of strings of n numbers x(i) in -3..3 with sums of x(i) and of x(i)*x(i+1) both zero.at n=8A183938T(n,k)=Number of strings of n numbers x(i) in -k..k with sums of x(i) and of x(i)*x(i+1) both zero.at n=63A183944