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A264605 Number of self-dual negacyclic codes of length 4n over GF(3), where 4n runs through the numbers congruent to 4 or 8 mod 12 (cf. A092259). 1
2, 2, 2, 8, 8, 2, 32, 8, 32, 8, 2, 8, 8, 32, 8, 8, 32, 32, 8, 8, 8, 2, 32, 512, 32, 8, 32, 2048, 8, 8, 8, 8, 32, 512 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
Table of n, a(n) for n=1..34.
Amita Sahni and Poonam Trama Sehgal, Enumeration of self-dual and self-orthogonal negacyclic codes over finite fields, Advances in Mathematics of Communications, Volume 9, No. 4, 2015, 437-447.
CROSSREFS
Cf. A092259.
Sequence in context: A185811 A011140 A171715 * A353245 A275928 A221072
Adjacent sequences: A264602 A264603 A264604 * A264606 A264607 A264608
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Nov 24 2015
STATUS
approved

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Last modified May 21 12:09 EDT 2024. Contains 372736 sequences. (Running on oeis4.)