The OEIS is looking to hire part-time people to help edit core sequences, upload scanned documents, process citations, fix broken links, etc. - Neil Sloane, njasloane@gmail.com
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]