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A220843
Number of admissable 2-dimensional lattice patterns of type Sigma(2,3,5).
1
2, 4, 8, 16, 30, 60, 120, 240, 452, 904, 1708, 3416, 6832, 12860, 25720, 48720, 97440, 184704, 369408, 738816, 1390768, 2625128, 5250256, 9979776, 19959552
OFFSET
1,1
COMMENTS
See Ban et al. (2012) for precise definition.
LINKS
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. A220842.
Sequence in context: A164263 A283836 A244825 * A277751 A277678 A018763
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Dec 23 2012
STATUS
approved