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A016120
Minimal number of cosets in an orthogonal sublattice of {A_n}* (minimal number of paths in any trellis diagram).
0
1, 2, 2, 8, 16, 48, 32, 48, 256
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, p. 434.
CROSSREFS
Sequence in context: A052970 A220589 A109190 * A367071 A188115 A085542
KEYWORD
nonn
AUTHOR
Amir H. Banihashemi (ahashemi(AT)shannon.uwaterloo.ca)
STATUS
approved