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A089604 "3-lazy binary" representation of n: to increment, add one to the last digit, then "carry" the rightmost 3 (replace 03->11, 13->21, or 23->31). 1
0, 1, 2, 11, 12, 21, 22, 31, 112, 121, 122, 131, 212, 213, 222, 231, 312, 321, 1122, 1131, 1212, 1221, 1222, 1231, 1312, 1321, 2122, 2131, 2212, 2221, 2222, 2231, 2312, 2321, 3122, 3131, 3212, 3221, 11222 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

Obvious generalization of A089591 and A089600.

LINKS

Table of n, a(n) for n=0..38.

CROSSREFS

Sequence in context: A038116 A101248 A038115 * A038114 A007931 A136407

Adjacent sequences:  A089601 A089602 A089603 * A089605 A089606 A089607

KEYWORD

nonn,easy,base

AUTHOR

Jeff Erickson, Dec 31 2003

EXTENSIONS

Edited by Charles R Greathouse IV, Aug 03 2010

STATUS

approved

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Last modified February 22 10:29 EST 2019. Contains 320395 sequences. (Running on oeis4.)