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 A031947 Numbers in which 0,1,2,3,4,5 all occur in base 6. 2
 8345, 8350, 8375, 8385, 8410, 8415, 8525, 8530, 8585, 8600, 8620, 8630, 8735, 8745, 8765, 8780, 8835, 8840, 8950, 8955, 8980, 8990, 9015, 9020, 10505, 10510, 10535, 10545, 10570, 10575, 11045, 11050, 11165, 11190, 11200, 11220, 11255, 11265, 11345, 11370, 11415 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Contains numbers like 47265, 47290, 47295, 47405 which are absent in A049357. - R. J. Mathar, Aug 24 2023 LINKS Table of n, a(n) for n=1..41. MAPLE isA031947 := proc(n) convert(convert(n, base, 6), set) ; if nops(%) = 6 then true; else false; end if; end proc: for n from 1 to 12000 do if isA031947(n) then print(n); end if; end do: # R. J. Mathar, Aug 24 2023 CROSSREFS Cf. A007092 (base 6), A023744 (each base 6 digit once). Sequence in context: A233954 A224465 A049357 * A069402 A202588 A337959 Adjacent sequences: A031944 A031945 A031946 * A031948 A031949 A031950 KEYWORD nonn,base AUTHOR Clark Kimberling STATUS approved

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Last modified April 13 12:47 EDT 2024. Contains 371641 sequences. (Running on oeis4.)