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A005595 States of a dynamic storage system.
(Formerly M1069)
0
1, 2, 4, 7, 13, 23, 46, 88, 186, 395, 880, 1989, 4644, 10934, 26210, 63319, 154377, 378443, 933022, 2308956, 5735371, 14286907, 35683814, 89324137, 224057918, 563033978, 1417210456, 3572641303, 9018885121, 22796905055 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

REFERENCES

M. D. McIlroy, The number of states of a dynamic storage system, Computer J., 25 (No. 3, 1982), 388-392.

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

LINKS

Table of n, a(n) for n=0..29.

C. G. Bower, Transforms

M. D. McIlroy, The number of states of a dynamic storage system, Computer J., 25 (No. 3, 1982), 388-392. (Annotated scanned copy)

Index entries for sequences related to bracelets

FORMULA

Also "DIK" (bracelet, indistinct, unlabeled) transform of 2, 1, 1, 1...

CROSSREFS

Sequence in context: A093629 A174566 A018182 * A296689 A096236 A002574

Adjacent sequences:  A005592 A005593 A005594 * A005596 A005597 A005598

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

EXTENSIONS

Sequence extended by Christian G. Bower

STATUS

approved

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Last modified February 19 05:12 EST 2018. Contains 299330 sequences. (Running on oeis4.)