[seqfan] Dismal numbers?

Alonso Del Arte alonso.delarte at gmail.com
Mon Mar 14 02:48:38 CET 2011

Can someone give me a quick intro to dismal arithmetic? Does it only apply
to divisors? Can it be done in any standard positional base? How about Roman
numerals, balanced ternary, etc.?


P.S. Anyone have any thoughts on the proposed overhaul to Sequence of the

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