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 A106026 A fractal transform of Pell numbers : a(1)=1 then if b(n)
 1, 1, 4, 4, 1, 11, 11, 8, 8, 11, 1, 1, 28, 28, 25, 25, 28, 18, 18, 21, 21, 18, 28, 28, 1, 1, 4, 4, 1, 69, 69, 66, 66, 69, 59, 59, 62, 62, 59, 69, 69, 42, 42, 45, 45, 42, 52, 52, 49, 49, 52, 42, 42, 69, 69, 66, 66, 69, 1, 1, 4, 4, 1, 11, 11, 8, 8, 11, 1, 1, 168, 168, 165, 165, 168, 158 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS Graphs of a(k) for k=1 up to A000129(n) and n=1,2,3,... present fractal aspects. LINKS FORMULA Among many properties a(A000129(n))=1 CROSSREFS Cf. A105669 (fractal transform of Fibonacci's numbers), A105670 (fractal transform of powers of 2), A105672(fractal transform of powers of 3). Sequence in context: A179399 A080721 A123588 * A096078 A140313 A102323 Adjacent sequences:  A106023 A106024 A106025 * A106027 A106028 A106029 KEYWORD nonn AUTHOR Benoit Cloitre, May 05 2005 STATUS approved

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