-2733455808domain: ZAppears in sequencesDefine Tuba numbers T(k,d,b) (0 <= d < b) by Sum_{j=0..k} binomial(k,j)*floor((k+d)/b)^(k-j)*T(j,d,b) = delta(k,0). Sequence gives T(n,0,2).at n=12A124453