A220842 Number of admissable 2-dimensional lattice patterns of type B(2,3).

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

Offset

1,1

Comments

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

Links

Table of n, a(n) for n=1..14.

Jung-Chao Ban, Wen-Guei Hu, and Song-Sun Lin, Pattern generation problems arising in multiplicative integer systems, arXiv preprint arXiv:1207.7154 [math.DS], 2012-2013.

Crossrefs

Cf. A220843.

Sequence in context: A072810 A167606 A065455 * A026010 A088813 A347780

Adjacent sequences: A220839 A220840 A220841 * A220843 A220844 A220845

Keyword

nonn,more

Author

N. J. A. Sloane, Dec 23 2012

Status

approved