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A020941
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Main diagonal of Wythoff array: w(n,n)=[ n*tau ]F(n+1)+(n-1)F(n), where tau=(1+sqrt(5))/2, F(n) = Fibonacci numbers.
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1
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1, 7, 16, 39, 84, 157, 309, 555, 1042, 1919, 3338, 6011, 10713, 18321, 32228, 54730, 95320, 165177, 278208, 478807, 803383, 1374926, 2346070, 3917414, 6656320, 11284381
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OFFSET
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1,2
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LINKS
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Table of n, a(n) for n=1..26.
C. Kimberling, The first column of an interspersion, Fibonacci Quarterly 32 (1994), pp. 301-314.
C. Kimberling, Interspersions
N. J. A. Sloane, Classic Sequences
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PROG
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(PARI) a(n) = floor(n*(1+sqrt(5))/2)*fibonacci(n+1) + (n-1)*fibonacci(n) \\ Michel Marcus, Mar 21 2013
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CROSSREFS
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Cf. A000045, A001622, A035513.
Sequence in context: A176449 A169877 A036834 * A024625 A055553 A066009
Adjacent sequences: A020938 A020939 A020940 * A020942 A020943 A020944
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KEYWORD
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nonn
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AUTHOR
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Clark Kimberling
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STATUS
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approved
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