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A032877 Numbers n such that base 6 representation Sum{d(i)*6^i: i=0,1,...,m) has d(0)>d(1)<d(2)>... 1
1, 2, 3, 4, 5, 8, 9, 10, 11, 15, 16, 17, 22, 23, 29, 37, 38, 39, 40, 41, 73, 74, 75, 76, 77, 80, 81, 82, 83, 109, 110, 111, 112, 113, 116, 117, 118, 119, 123, 124, 125, 145, 146, 147, 148, 149, 152, 153, 154, 155, 159, 160, 161, 166, 167 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..55.

MATHEMATICA

sdQ[n_]:=Module[{s=Sign[Differences[Reverse[IntegerDigits[n, 6]]]]}, s == PadRight[ {}, Length[ s], {-1, 1}]]; Select[Range[200], sdQ] (* Harvey P. Dale, Dec 15 2017 *)

CROSSREFS

Sequence in context: A047247 A169606 A140769 * A032844 A023775 A329296

Adjacent sequences:  A032874 A032875 A032876 * A032878 A032879 A032880

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified October 30 05:44 EDT 2020. Contains 338077 sequences. (Running on oeis4.)