A106026 A fractal transform of Pell numbers : a(1)=1 then if b(n)A000129(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

Offset: 1

Author

Benoit Cloitre, May 05 2005

Keywords

• nonn

Comments

Graphs of a(k) for k=1 up to A000129(n) and n=1,2,3,... present fractal aspects.

Crossrefs

Cf. A105669 (fractal transform of Fibonacci's numbers), A105670 (fractal transform of powers of 2), A105672(fractal transform of powers of 3).

Formula

Among many properties a(A000129(n))=1