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Number of admissable 2-dimensional lattice patterns of type B(2,3).
1

%I #11 Sep 25 2020 07:15:25

%S 2,4,7,14,25,50,90,160,320,584,1039,1861,3722,6774

%N Number of admissable 2-dimensional lattice patterns of type B(2,3).

%C See Ban et al. (2012) for precise definition.

%H Jung-Chao Ban, Wen-Guei Hu, and Song-Sun Lin, <a href="http://arxiv.org/abs/1207.7154">Pattern generation problems arising in multiplicative integer systems</a>, arXiv preprint arXiv:1207.7154 [math.DS], 2012-2013.

%Y Cf. A220843.

%K nonn,more

%O 1,1

%A _N. J. A. Sloane_, Dec 23 2012