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 A092106 Fractal mountains in base 3. 0
 0, 1, 3, 2, 2, 3, 1, 0, 0, 1, 3, 6, 6, 7, 9, 8, 8, 9, 11, 14, 18, 19, 21, 24, 24, 25, 27, 26, 26, 27, 25, 24, 24, 21, 19, 18, 18, 19, 21, 20, 20, 21, 19, 18, 18, 19, 21, 24, 24, 25, 27, 26, 26, 27, 25, 24, 24, 21, 19, 18, 14, 11, 9, 8, 8, 9, 7, 6, 6, 3, 1, 0, 0, 1, 3, 2, 2, 3, 1, 0, 0, 1 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 COMMENTS The graph of sequence presents fractal aspects. LINKS Table of n, a(n) for n=0..81. FORMULA a(n)=a(n, 3) where a(n, m)=sum(i=0, n, sum(k=0, i, (-1)^k*(floor(i/m^k)-m*floor(i/m^(k+1))))) CROSSREFS Cf. A005536 (fractal mountains in base 2). Sequence in context: A217956 A105198 A133882 * A278885 A183049 A178086 Adjacent sequences: A092103 A092104 A092105 * A092107 A092108 A092109 KEYWORD nonn AUTHOR Benoit Cloitre, Mar 29 2004 STATUS approved

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Last modified August 3 23:57 EDT 2024. Contains 374905 sequences. (Running on oeis4.)