101626domain: NAppears in sequencesp-INVERT of the positive integers, where p(S) = 1 - 3*S + S^2.at n=7A291025Numbers k that are the maximum of integers |k3|, |k5|, |k7| with |k3| + |k5| + |k7| > 0, and |k3*sqrt(3) + k5*sqrt(5) + k7*sqrt(7)| is smaller than for any smaller value of k.at n=14A379918