5 Jan
2014
5 Jan
'14
1:44 p.m.
What one might denote the "Hardy-Ramanujan (1729)" effect. I recently came across a reference in my own notes to "5x2 map-foldings (1980)". A brief and fruitless search for the elusive reference was aborted when it dawned on me that 1980 is the number of different ways in which a 10-leaved cartographical almanac may completely folded up. WFL On 1/5/14, W. Edwin Clark <wclark@mail.usf.edu> wrote:
Giovanni Resta's new website Numbers Aplenty<http://www.numbersaplenty.com/>is an impressive implementation of the old idea that every natural number is interesting. _______________________________________________ math-fun mailing list math-fun@mailman.xmission.com http://mailman.xmission.com/cgi-bin/mailman/listinfo/math-fun