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A043510 Numbers having two 5's in base 10. 2
55, 155, 255, 355, 455, 505, 515, 525, 535, 545, 550, 551, 552, 553, 554, 556, 557, 558, 559, 565, 575, 585, 595, 655, 755, 855, 955, 1055, 1155, 1255, 1355, 1455, 1505, 1515, 1525, 1535, 1545, 1550, 1551, 1552, 1553, 1554, 1556 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
Select[Range[1600], DigitCount[#, 10, 5]==2&] (* Harvey P. Dale, Sep 01 2021 *)
CROSSREFS
Subsequence of A011535.
Sequence in context: A067978 A072429 A046438 * A044387 A044768 A352268
KEYWORD
nonn,base
AUTHOR
STATUS
approved

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Last modified March 29 00:26 EDT 2024. Contains 371264 sequences. (Running on oeis4.)