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A023708 Numbers with exactly 3 0's in base 4 expansion. 1
64, 128, 192, 257, 258, 259, 260, 264, 268, 272, 288, 304, 320, 384, 448, 513, 514, 515, 516, 520, 524, 528, 544, 560, 576, 640, 704, 769, 770, 771, 772, 776, 780, 784, 800, 816, 832, 896, 960, 1029, 1030, 1031, 1033, 1034 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

MATHEMATICA

Select[ Range[ 1152 ], (Count[ IntegerDigits[ #, 4 ], 0 ]==3)& ]

CROSSREFS

Sequence in context: A044568 A031489 A043335 * A172420 A069493 A076470

Adjacent sequences:  A023705 A023706 A023707 * A023709 A023710 A023711

KEYWORD

nonn,base,easy

AUTHOR

Olivier Gerard (olivier.gerard(AT)gmail.com)

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Last modified February 14 11:14 EST 2012. Contains 205619 sequences.