I'm puzzled about this. What are we supposed to do about including 00,01,...? And why can't the sequence below be improved by replacing 188 with 18 and 88? Rich -----Original Message----- From: math-fun-bounces+rschroe=sandia.gov@mailman.xmission.com [mailto:math-fun-bounces+rschroe=sandia.gov@mailman.xmission.com] On Behalf Of Eric Angelini Sent: Wednesday, February 16, 2005 11:52 AM To: math-fun; seqfan@ext.jussieu.fr Subject: [math-fun] 100 Digrams -- 3059 Still better, by Geoff Bailey (original post is on rec.puzzles). Best, É. ------------------------------- 8 19 20 23 24 25 26 27 28 29 30 34 35 36 37 38 39 40 45 46 47 48 49 50 56 57 58 59 60 67 68 69 70 78 79 80 89 90 91 100 122 133 144 155 166 177 188 Total 3059 Cheers, Geoff. -------------------------------------------------------------------- Geoff Bailey (Fred the Wonder Worm) | Programmer by trade -- ftww@maths.usyd.edu.au | Gameplayer by vocation. --------------------------------------------------------------------