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A031486 Numbers whose base-7 representation has 2 fewer 0's than 6's. 1
48, 97, 146, 195, 244, 293, 307, 314, 321, 328, 335, 337, 338, 339, 340, 341, 440, 489, 538, 587, 636, 650, 657, 664, 671, 678, 680, 681, 682, 683, 684, 783, 832, 881, 930, 979, 993, 1000, 1007, 1014, 1021, 1023, 1024, 1025, 1026 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
Select[Range[1100], DigitCount[#, 7, 6]-DigitCount[#, 7, 0]==2&] (* Harvey P. Dale, May 16 2012 *)
CROSSREFS
Cf. A007093.
Sequence in context: A274899 A218486 A043418 * A044186 A044567 A070258
KEYWORD
nonn,base
AUTHOR
EXTENSIONS
Definition clarified by Harvey P. Dale, May 16 2012
STATUS
approved

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Last modified March 2 01:29 EST 2024. Contains 370447 sequences. (Running on oeis4.)