1,2
Cf. A005349 (Niven numbers), A144261 (smallest k such that k*n is a Niven number), A144363 (records in A144261).
Sequence in context: A031287 A057630 A057628 this_sequence A031372 A028877 A087394
Adjacent sequences: A144361 A144362 A144363 this_sequence A144365 A144366 A144367
base,nonn,more
Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Sep 19 2008
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