|
| |
|
|
A005855
|
|
The coding-theoretic function A(n,10,7).
(Formerly M0232)
|
|
0
| |
|
|
1, 1, 1, 1, 1, 2, 2, 2, 3, 4, 5, 6, 8, 10, 13, 16
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 7,6
|
|
|
COMMENTS
| The g.f. (-1-z-z**2-z**3+z**4)/(-1+z**2+z**4) conjectured by S. Plouffe in his 1992 dissertation is wrong.
|
|
|
REFERENCES
| A. E. Brouwer, J. B. Shearer, N. J. A. Sloane and W. D. Smith, New table of constant weight codes, IEEE Trans. Info. Theory 36 (1990), 1334-1380.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
CRC Handbook of Combinatorial Designs, 1996, p. 411.
|
|
|
LINKS
| S. Plouffe, Approximations de S\'{e}ries G\'{e}n\'{e}ratrices et Quelques Conjectures, Dissertation, Universit\'{e} du Qu\'{e}bec \`{a} Montr\'{e}al, 1992.
S. Plouffe, 1031 Generating Functions and Conjectures, Universit\'{e} du Qu\'{e}bec \`{a} Montr\'{e}al, 1992.
E. M. Rains and N. J. A. Sloane, A(n,d,w) tables
Index entries for sequences related to A(n,d,w)
|
|
|
CROSSREFS
| Sequence in context: A111212 A102240 A026837 * A096748 A022866 A099388
Adjacent sequences: A005852 A005853 A005854 * A005856 A005857 A005858
|
|
|
KEYWORD
| nonn,hard
|
|
|
AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
|
|
|
EXTENSIONS
| An incorrect g.f. was deleted by N. J. A. Sloane, Sep 13 2009
|
| |
|
|