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Search: id:A050732
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A050732 Numbers of form 2^k (values of k see A050723) containing no pair of consecutive equal digits (probably finite). +0
1
1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 131072, 1048576, 2097152, 4194304, 268435456, 536870912, 1073741824, 2147483648, 4294967296, 17179869184, 34359738368, 68719476736, 137438953472 (list; graph; listen)
OFFSET

0,2

EXAMPLE

2^18 = 262144 is missing, for example.

CROSSREFS

Cf. A043096, A050723.

Sequence in context: A122803 A000079 A120617 this_sequence A138815 A103662 A023423

Adjacent sequences: A050729 A050730 A050731 this_sequence A050733 A050734 A050735

KEYWORD

nonn,base

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), Sep 15 1999.

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Last modified July 8 18:40 EDT 2008. Contains 141013 sequences.


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