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 2004-05-19, 01:57 #1 tom11784     Aug 2003 Upstate NY, USA 2×163 Posts unusual sequence A friend gave this to me in reply to a friend giving it to her. Neither of us have any idea of what is going on in the sequence. 11, 11, 12, 13, 21, 21, 23, 23, 25, 29, 29, 31, 32, 31, 32, 35, 38, 37... Any ideas? Please?
 2004-05-19, 05:08 #2 THILLIAR     Mar 2004 ARIZONA, USA 101112 Posts I am going to guess that it is diameter at breast height of trees in someone's backyard.
 2004-05-20, 01:58 #3 tom11784     Aug 2003 Upstate NY, USA 2×163 Posts nope - found out today that there is something actually mathematical behind it primes 2,3,5,7,... in base 1,2,3,4,...
 2004-05-20, 02:00 #4 jinydu     Dec 2003 Hopefully Near M48 2·3·293 Posts Is it actually possible to have a base 1 system? Last fiddled with by jinydu on 2004-05-20 at 02:00
 2004-05-20, 02:00 #5 tom11784     Aug 2003 Upstate NY, USA 1010001102 Posts unary ... #s are represented by all 1s except for 0 i.e. 2=11, 3=111, 5=11111, 0=0, 1=1 Last fiddled with by tom11784 on 2004-05-20 at 02:02
 2004-05-20, 12:35 #6 Erasmus   Feb 2004 101112 Posts Maybe remainders of modulo of a very special number for successive primes?

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