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A025611 Numbers of form 2^i*9^j, with i, j >= 0. 0
1, 2, 4, 8, 9, 16, 18, 32, 36, 64, 72, 81, 128, 144, 162, 256, 288, 324, 512, 576, 648, 729, 1024, 1152, 1296, 1458, 2048, 2304, 2592, 2916, 4096, 4608, 5184, 5832, 6561, 8192, 9216, 10368, 11664, 13122, 16384, 18432, 20736, 23328, 26244, 32768, 36864, 41472 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

MATHEMATICA

Take[Union[2^First[#] 9^Last[#]&/@Tuples[Range[0, 20], {2}]], 50] (* From Harvey P. Dale, May 26 2011 *)

CROSSREFS

Sequence in context: A125853 A080025 A152111 * A049439 A079931 A188915

Adjacent sequences:  A025608 A025609 A025610 * A025612 A025613 A025614

KEYWORD

easy,nonn

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

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Last modified February 17 02:48 EST 2012. Contains 205978 sequences.