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Search: id:A075531
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| A075531 |
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Number of gaps in the set of all possible values in a stochastic sequence. |
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+0
1
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| 0, 0, 1, 2, 3, 6, 10, 18, 28, 50, 79, 144, 249, 432, 756
(list; graph; listen)
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OFFSET
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1,4
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LINKS
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E. Ben-Naim and P. L. Krapivsky, Growth and Structure of Stochastic Sequences, J. Phys. A (2002).
E. Ben-Naim, Home page
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FORMULA
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Stochastic sequence recursive (Fibonacci-like) rule: x_n=x_{n-1}+x_p with randomly chosen p=0, ..., n-1 (x_0=1)
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EXAMPLE
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x_1=2 hence a(1)=0 x_2=3,4 hence a(2)=0 x_3=4,5,6,8 hence a(3)=1
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CROSSREFS
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Sequence in context: A026779 A081028 A065441 this_sequence A066067 A121364 A102702
Adjacent sequences: A075528 A075529 A075530 this_sequence A075532 A075533 A075534
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KEYWORD
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nonn
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AUTHOR
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Eli Ben-Naim (ebn(AT)lanl.gov), Sep 19 2002
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