The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.

The Lodumo_m transformation of a sequence s(n) is defined by a(n) = smallest nonnegative integer not yet in the list a(.) such that a(n)=s(n) (mod m). [From R. J. Mathar, Apr 30 2009]