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A023744 Base 6 expansion uses each positive digit just once. 2
1865, 1870, 1895, 1905, 1930, 1935, 2045, 2050, 2105, 2120, 2140, 2150, 2255, 2265, 2285, 2300, 2355, 2360, 2470, 2475, 2500, 2510, 2535, 2540, 2945, 2950, 2975, 2985, 3010, 3015, 3305, 3310, 3395, 3415, 3430, 3445 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Leading zeros are permitted. There are a total of 6! = 720 terms in the sequence. - Harvey P. Dale, Jan 22 2013
LINKS
MATHEMATICA
Union[ Map[ Plus@@(Array[ (6^#)&, Length[ # ], 0 ]*#)&, Permutations[ Range[ 6-1 ] ] ] ]
FromDigits[#, 6]&/@Permutations[Range[0, 5]] (* Harvey P. Dale, Jan 22 2013 *)
CROSSREFS
Cf. A031947.
Sequence in context: A204885 A231029 A265456 * A054816 A052168 A354444
KEYWORD
nonn,base,easy,fini,full
AUTHOR
EXTENSIONS
Keyword "fini" added by Harvey P. Dale, Jan 22 2013
STATUS
approved

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Last modified May 17 19:53 EDT 2024. Contains 372607 sequences. (Running on oeis4.)