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A174659 Balanced ternary numbers with more positive trits than negative trits. 4
1, 3, 4, 7, 9, 10, 11, 12, 13, 19, 21, 22, 25, 27, 28, 29, 30, 31, 33, 34, 35, 36, 37, 38, 39, 40, 49, 55, 57, 58, 61, 63, 64, 65, 66, 67, 73, 75, 76, 79, 81, 82, 83, 84, 85, 87, 88, 89, 90, 91, 92, 93, 94, 97, 99, 100, 101, 102, 103, 105, 106, 107, 108, 109, 110, 111, 112 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Numbers for which the sum of trits is positive.

LINKS

Daniel Forgues, Table of n, a(n) for n=1..53007

MATHEMATICA

(* First run the program for A065363 to define balTernDigits *) Select[Range[210], Count[balTernDigits[#], -1] < Count[balTernDigits[#], 1] &] (* Alonso del Arte, Feb 26 2011 *)

PROG

(Python)

def a(n):

    s=0

    x=0

    while n>0:

        x=n%3

        n//=3

        if x==2:

            x=-1

            n+=1

        s+=x

    return s

print([n for n in range(301) if a(n)>0]) # Indranil Ghosh, Jun 07 2017

CROSSREFS

Cf. A174657, A174658, A065363, A140267.

Sequence in context: A087276 A138225 A114889 * A242423 A010444 A010398

Adjacent sequences:  A174656 A174657 A174658 * A174660 A174661 A174662

KEYWORD

base,nonn

AUTHOR

Daniel Forgues, Mar 26 2010

STATUS

approved

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Last modified June 20 23:44 EDT 2021. Contains 345316 sequences. (Running on oeis4.)