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 A028909 Arrange digits of 2^n in ascending order. 14
 1, 2, 4, 8, 16, 23, 46, 128, 256, 125, 124, 248, 469, 1289, 13468, 23678, 35566, 11237, 122446, 224588, 145678, 122579, 134449, 368888, 11266777, 23334455, 1466788, 112234778, 234455668, 12356789, 112344778, 1234446788, 2244667999 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS Leading zeros are discarded (e.g., 2^23 = 8388608 -> 0368888 becomes 368888). LINKS MATHEMATICA Table[FromDigits[Sort[IntegerDigits[2^n]]], {n, 0, 40}] (* Harvey P. Dale, Aug 20 2013 *) CROSSREFS The following are parallel families: A000079 (2^n), A004094 (2^n reversed), A028909 (2^n sorted up), A028910 (2^n sorted down), A036447 (double and reverse), A057615 (double and sort up), A263451 (double and sort down); A000244 (3^n), A004167 (3^n reversed), A321540 (3^n sorted up), A321539 (3^n sorted down), A163632 (triple and reverse), A321542 (triple and sort up), A321541 (triple and sort down). Sequence in context: A108566 A057615 A018416 * A108567 A261890 A072874 Adjacent sequences:  A028906 A028907 A028908 * A028910 A028911 A028912 KEYWORD nonn,base AUTHOR EXTENSIONS More terms from Patrick De Geest, April 1998 STATUS approved

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Last modified February 21 03:06 EST 2019. Contains 320364 sequences. (Running on oeis4.)