cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A076892 Number of inequivalent ternary linear codes of length n. Also the number of nonisomorphic ternary matroids on an n-set.

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%I A076892 #11 Nov 14 2023 10:02:19
%S A076892 2,4,8,17,36,85,216,640,2292,9665,80836,1070709,27652010,1345914266,
%T A076892 115596164732
%N A076892 Number of inequivalent ternary linear codes of length n. Also the number of nonisomorphic ternary matroids on an n-set.
%D A076892 M. Wild, Enumeration of binary and ternary matroids and other applications of the Brylawski-Lucas theorem, Technische Hochschule Darmstadt, Preprint 1693, 1994
%H A076892 Jayant Apte and J. M. Walsh, <a href="http://arxiv.org/abs/1605.04598">Constrained Linear Representability of Polymatroids and Algorithms for Computing Achievability Proofs in Network Coding</a>, arXiv preprint arXiv:1605.04598 [cs.IT], 2016-2017.
%e A076892 The two linear ternary codes of length 3, {(0,0,0), (1,-1,0), (-1,1,0) } and {(0,0,0), (-1,0,-1), (1,0,1) } are equivalent because the latter arises from the former by changing the sign of the first component of every codeword and switching the second with the third component.
%Y A076892 Cf. A076766.
%K A076892 nonn,more
%O A076892 1,1
%A A076892 Marcel Wild (mwild(AT)sun.ac.za), Nov 26 2002
%E A076892 a(9) corrected by _Gordon Royle_, Oct 27 2007