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A134022 Number of negative trits in balanced ternary representation of n. +0
4
0, 0, 1, 0, 0, 2, 1, 1, 1, 0, 0, 1, 0, 0, 3, 2, 2, 2, 1, 1, 2, 1, 1, 2, 1, 1, 1, 0, 0, 1, 0, 0, 2, 1, 1, 1, 0, 0, 1, 0, 0, 4, 3, 3, 3, 2, 2, 3, 2, 2, 3, 2, 2, 2, 1, 1, 2, 1, 1, 3, 2, 2, 2, 1, 1, 2, 1, 1, 3, 2, 2, 2, 1, 1, 2, 1, 1, 2, 1, 1, 1, 0, 0, 1, 0, 0, 2, 1, 1, 1, 0, 0, 1, 0, 0, 3, 2, 2, 2, 1, 1, 2, 1, 1, 2 (list; graph; listen)
OFFSET

0,6

COMMENT

a(n) = A134021(n) - A134023(n) - A134024(n).

REFERENCES

D. E. Knuth, The Art of Computer Programming, Addison-Wesley, Reading, MA, Vol 2, pp 173-175.

LINKS

R. Zumkeller, Table of n, a(n) for n = 0..10000

Wikipedia, Balanced Ternary

EXAMPLE

100=1*3^4+1*3^3-1*3^2+0*3^1+1*3^0=='++-0+': a(100)=1;

200=1*3^5-1*3^4+1*3^3+1*3^2+1*3^1-1*3^0=='+-+++-': a(200)=2;

300=1*3^5+1*3^4-1*3^3+0*3^2+1*3^1+0*3^0=='++-0+0': a(300)=1.

CROSSREFS

Sequence in context: A051556 A081602 A077267 this_sequence A085975 A005091 A086831

Adjacent sequences: A134019 A134020 A134021 this_sequence A134023 A134024 A134025

KEYWORD

nonn,base

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 19 2007

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Last modified December 4 21:35 EST 2008. Contains 151309 sequences.


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