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A083038 A fractal sequence. +0
12
1, 1, 0, 0, 1, 1, 2, 4, 5, 5, 6, 6, 5, 5, 6, 6, 5, 5, 4, 2, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 2, 4, 5, 5, 6, 6, 5, 5, 6, 6, 7, 9, 10, 10, 11, 13, 14, 16, 19, 21, 22, 24, 25, 25, 26, 28, 29, 29, 30, 30, 29, 29, 30, 30, 31, 33, 34, 34, 35, 35, 34, 34, 35, 35, 34, 34, 33, 31, 30, 30, 29, 29, 30, 30 (list; graph; listen)
OFFSET

1,7

COMMENT

Sequence presents fractal patterns.

LINKS

Boris Gourevitch, Graph of a(n).

FORMULA

a(n)=sum(k=1, n, A083037(k))

a(2*A001109(n)-1)=A001109(n) - Benoit Cloitre (benoit7848c(AT)orange.fr), Dec 12 2003

CROSSREFS

Cf. A083035, A083036, A083037, A071992 (which presents similar fractal aspects).

Sequence in context: A165044 A034214 A131813 this_sequence A061008 A091988 A023824

Adjacent sequences: A083035 A083036 A083037 this_sequence A083039 A083040 A083041

KEYWORD

nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 17 2003

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.


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