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A134863 Wythoff BAB numbers. +0
6
7, 20, 28, 41, 54, 62, 75, 83, 96, 109, 117, 130, 143, 151, 164, 172, 185, 198, 206, 219, 227, 240, 253, 261, 274, 287, 295, 308, 316, 329, 342, 350, 363, 376, 384, 397, 405, 418, 431, 439, 452, 460, 473, 486, 494, 507, 520, 528, 541, 549, 562, 575, 583, 596 (list; graph; listen)
OFFSET

1,1

COMMENT

The lower and upper Wythoff sequences, A and B, satisfy the complementary equation BAB=2A+3B-1.

REFERENCES

C. Kimberling, Complementary equations and Wythoff sequences, preprint, 2007.

FORMULA

a(n)=B(A(B(n))), n>=1, with A=A000201, the lower Wythoff sequence and B=B001950, the upper Wythoff sequence.

CROSSREFS

Cf. A000201, A001950, A003622, A003623, A035336, A101864, A134859, A035337, A134860, A134861, A134862, A035338, A134864, A035513.

Sequence in context: A070413 A015243 A055069 this_sequence A063235 A063151 A140676

Adjacent sequences: A134860 A134861 A134862 this_sequence A134864 A134865 A134866

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu), Nov 14 2007

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.


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