0,2
2^18 = 262144 is missing, for example.
Cf. A043096, A050723.
Sequence in context: A122803 A000079 A120617 this_sequence A138815 A103662 A023423
Adjacent sequences: A050729 A050730 A050731 this_sequence A050733 A050734 A050735
nonn,base
Patrick De Geest (pdg(AT)worldofnumbers.com), Sep 15 1999.
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