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Search: id:A007872
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A007872 Sum of indices of windows of trapezoidal maps. +0
1
1, 1, 1, 4, 9, 27, 89, 304, 944, 3259, 11081, 38044, 132921, 467771, 1650279, 5907280, 21183657, 76488912, 277631065, 1012588940, 3707127319, 13632296219, 50292158921, 186165033296, 691181554768, 2573423459611 (list; graph; listen)
OFFSET

1,4

REFERENCES

P H. Borcherds and G P McCauley, The digital tent map and trapezoidal map, in "Chaos, Solitons and Fractals", Vol. 3, pp. 451-66 (1993).

CROSSREFS

Sequence in context: A034527 A111962 A071913 this_sequence A087726 A101973 A071258

Adjacent sequences: A007869 A007870 A007871 this_sequence A007873 A007874 A007875

KEYWORD

nonn

AUTHOR

"Peter H. Borcherds" p.h.borcherds(AT)bham.ac.uk

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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