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A175055 a(n) = decimal equivalent of {A033015(n) written in binary, and each run of 0's reduced in length by one digit, and each run of 1's reduced in length by one digit}. 6
1, 3, 2, 7, 4, 6, 15, 8, 5, 12, 14, 31, 16, 9, 11, 24, 13, 28, 30, 63, 32, 17, 19, 10, 23, 48, 25, 27, 56, 29, 60, 62, 127, 64, 33, 35, 18, 39, 20, 22, 47, 96, 49, 51, 26, 55, 112, 57, 59, 120, 61, 124, 126, 255, 128, 65, 67, 34, 71, 36, 38, 79, 40, 21, 44, 46, 95, 192, 97, 99 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

This is a permutation of the positive integers. Sequence A175056 is its inverse permutation.

LINKS

Michael De Vlieger, Table of n, a(n) for n = 1..10945

MATHEMATICA

FromDigits[Join @@ #, 2] & /@ Map[Drop[#, 1] &, Select[Array[Split@ IntegerDigits[#, 2] &, 905], Min[Length /@ #] > 1 &], {2}] (* Michael De Vlieger, Sep 03 2017 *)

CROSSREFS

Cf. A033015, A175056, A175057, A175058, A175059, A175060

Sequence in context: A316385 A178910 A182651 * A085168 A113658 A318462

Adjacent sequences:  A175052 A175053 A175054 * A175056 A175057 A175058

KEYWORD

base,nonn

AUTHOR

Leroy Quet, Dec 08 2009

EXTENSIONS

Extended by Ray Chandler, Dec 18 2009

STATUS

approved

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Last modified March 22 12:46 EDT 2019. Contains 321421 sequences. (Running on oeis4.)