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A043394 Numbers whose base-7 representation contains exactly two 0's. 0
49, 98, 147, 196, 245, 294, 344, 345, 346, 347, 348, 349, 350, 357, 364, 371, 378, 385, 392, 441, 490, 539, 588, 637, 687, 688, 689, 690, 691, 692, 693, 700, 707, 714, 721, 728, 735, 784, 833, 882, 931, 980, 1030, 1031, 1032, 1033 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
Select[Range[1100], DigitCount[#, 7, 0]==2&] (* Harvey P. Dale, Aug 18 2015 *)
CROSSREFS
Cf. A007093.
Sequence in context: A309541 A174386 A044138 * A044519 A031484 A260009
KEYWORD
nonn,base
AUTHOR
STATUS
approved

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Last modified February 28 07:05 EST 2024. Contains 370387 sequences. (Running on oeis4.)