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Strongly Independent

An infinite sequence $\{a_i\}$ of Positive Integers is called strongly independent if any relation $\sum \epsilon_i a_i$, with $\epsilon_i=0$, $\pm 1$, or $\pm 2$ and $\epsilon_i=0$ except finitely often, Implies $\epsilon_i=0$ for all $i$.

See also Weakly Independent


Guy, R. K. Unsolved Problems in Number Theory, 2nd ed. New York: Springer-Verlag, p. 136, 1994.

© 1996-9 Eric W. Weisstein