Search: id:A144123
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%I A144123
%S A144123 4,6,8,9,1000000000000,14,240,2097152000000000000000000000
%N A144123 (0, 1, 2, 3, 2^2, 5, 2*3, 7, 2^3, 3^2, 2*5, 11, 2^2*3, 13,..) becomes 
               (4, 6, 8, 9, 10^12, 14, 15*16, 18, 20^21, 22^24, 25*26, 27, 28^30*32, 
               33, ..).
%e A144123 10^12=1000000000000=a(5).
%e A144123 14=a(6).
%e A144123 15*16=240=a(7).
%e A144123 20^21=2097152000000000000000000000,
%e A144123 etc.
%Y A144123 Cf. A002808, A136740, A136811, A143716.
%Y A144123 Sequence in context: A076612 A046354 A046357 this_sequence A132088 A162600 
               A071537
%Y A144123 Adjacent sequences: A144120 A144121 A144122 this_sequence A144124 A144125 
               A144126
%K A144123 nonn
%O A144123 1,1
%A A144123 Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Nov 17 2008

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