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A165731 Number of distinct rate points of concentric permutation source codes with four initial codewords in dimension n 0
5, 15, 56, 132, 517, 1202, 3888, 11911 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

LINKS

Table of n, a(n) for n=2..9.

H. Q. Nguyen, L. R. Varshney and V. K. Goyal, Concentric Permutation Source Codes, arXiv:0909.0704v2 [cs.IT] 19 Sep 2009.

CROSSREFS

Cf. A070289, which is the number of distinct rate points of an ordinary permutation source code, A165729, and A165730.

Sequence in context: A149588 A137959 A001552 * A309117 A307349 A203294

Adjacent sequences:  A165728 A165729 A165730 * A165732 A165733 A165734

KEYWORD

easy,nonn

AUTHOR

Vivek Goyal (vgoyal(AT)mit.edu), Sep 25 2009

STATUS

approved

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Last modified July 17 20:45 EDT 2019. Contains 325109 sequences. (Running on oeis4.)