Hello, 14 avr 2005, 01:23 Europe/Brussels, Richard Guy wrote :
C & S sent the following results: There appear to be 5 seqs beginning with integers less than 1000 which do not merge. These sequences were carried out to 10^8 or more. The calculations are:
1,2,3,4,7,8,..,96532994,144799494,...(31) 393,528,545,660,682,727,...,97622612, 122028268,... (9) 412,518,565,684,709,710,..., 92029059, 102254514,... (46) 668,838,1260,1278,1355,1632,...,91127590, 100240357,... (52) 932,1168,1244,1558,1621,1622,...,98457737, 112523136,... (30)
(...)
Should the last 4 of the above 5 seqs be in OEIS ?? R.]]
I would suggest also the sequence of the beginnings of the sequences which do not merge, for instance here (to be completed!): 393, 412, 668, 932... Alexandre