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The triangle in A039754 but with rows truncated at k = n.
1

%I #11 Sep 19 2016 11:20:46

%S 1,1,1,1,2,1,1,3,3,6,1,4,6,19,27,1,5,10,47,131,472,1,6,16,103,497,

%T 3253,19735,1,7,23,203,1606,18435,221778,2773763,1,8,32,373,4647,

%U 91028,2074059,51107344,1245930065

%N The triangle in A039754 but with rows truncated at k = n.

%C See A039754 for further information.

%H Jan Brandts, A. Cihangir, <a href="http://arxiv.org/abs/1512.03044">Enumeration and investigation of acute 0/1-simplices modulo the action of the hyperoctahedral group</a>, arXiv preprint arXiv:1512.03044 [math.CO], 2015.

%H H. Fripertinger, <a href="http://dx.doi.org/10.1023/A:1008248618779">Enumeration, construction and random generation of block codes</a>, Designs, Codes, Crypt., 14 (1998), 213-219.

%H H. Fripertinger, <a href="http://www.mathe2.uni-bayreuth.de/frib/codes/tables.html">Isometry Classes of Codes</a>

%e Triangle begins:

%e 1,

%e 1,1,

%e 1,2,1,

%e 1,3,3,6,

%e 1,4,6,19,27,

%e 1,5,10,47,131,472,

%e 1,6,16,103,497,3253,19735,

%e 1,7,23,203,1606,18435,221778,2773763,

%e 1,8,32,373,4647,91028,2074059,51107344,1245930065,

%e ...

%Y Cf. A039754.

%K nonn,tabl

%O 0,5

%A _N. J. A. Sloane_, Sep 17 2016