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A016119 Minimal number of cosets in an orthogonal sublattice of A_n (minimal number of paths in any trellis diagram). +0
1
1, 2, 2, 8, 8, 48, 16, 96, 128 (list; graph; listen)
OFFSET

1,2

REFERENCES

A. H. Banihashemi, Decoding complexity and trellis structure of lattices, Ph.D. dissertation, E&CE Dept., Univ. of Waterloo, Waterloo, Ont., Canada, 1997.

A. H. Banihashemi and I. F. Blake, On the trellis complexity of root lattices and their duals, IEEE Trans. Inform. Theory 45 (1999), no. 6, 2168-2172.

A. H. Banihashemi and I. F. Blake, Minimal trellis diagrams of lattices, Proc. IEEE International Symp. on Inform. Theory, Ulm, Germany, 1997, p. 434.

CROSSREFS

Sequence in context: A158302 A007083 A144060 this_sequence A037223 A066988 A100384

Adjacent sequences: A016116 A016117 A016118 this_sequence A016120 A016121 A016122

KEYWORD

nonn

AUTHOR

Amir H. Banihashemi (ahashemi(AT)shannon.uwaterloo.ca)

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


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