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A081608 Number of numbers <= n having no 0 in their ternary representation. 5
0, 1, 2, 2, 3, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 9, 10, 10, 10, 10, 10, 11, 12, 12, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 16, 16, 17, 18, 18, 18, 18, 18, 19, 20, 20, 21, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 23, 24, 24, 25, 26, 26, 26, 26 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

COMMENTS

a(n) + A081607(n) = n+1.

CROSSREFS

Cf. A007089, A077267, A061392, A081611.

Sequence in context: A168560 A065361 A089792 * A096532 A077773 A076370

Adjacent sequences:  A081605 A081606 A081607 * A081609 A081610 A081611

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Mar 23 2003

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Last modified February 16 02:30 EST 2012. Contains 205860 sequences.