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A031465 Numbers whose base-4 representation has 4 more 0's than 3's. 1
256, 512, 1025, 1026, 1028, 1032, 1040, 1056, 1088, 1152, 1280, 1536, 2049, 2050, 2052, 2056, 2064, 2080, 2112, 2176, 2304, 2560, 3072, 4099, 4101, 4102, 4105, 4106, 4108, 4113, 4114, 4116, 4120, 4129, 4130, 4132, 4136, 4144, 4161 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
Select[Range[4200], DigitCount[#, 4, 0]==DigitCount[#, 4, 3]+4&] (* Harvey P. Dale, Jun 05 2012 *)
CROSSREFS
Cf. A007090.
Sequence in context: A256822 A172422 A341887 * A045081 A294153 A235060
KEYWORD
nonn,base
AUTHOR
STATUS
approved

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Last modified July 23 04:43 EDT 2024. Contains 374544 sequences. (Running on oeis4.)