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Search: id:A072151
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| A072151 |
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Coordination sequence for AlPO_4-11 structure with respect to node (Z) where decagon, hexagon and square meet and is not adjacent to node of type (X). |
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+0
1
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| 1, 3, 5, 7, 11, 14, 15, 18, 22, 24, 26, 28, 31, 36, 37, 37, 43
(list; graph; listen)
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OFFSET
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0,2
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COMMENT
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The terms shown were computed by hand and could be wrong! There are three types of nodes in this structure.
The coordination sequence with respect to a particular node gives the number of nodes that can be reached from that node in n steps along edges.
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REFERENCES
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M. E. Davis, Ordered porous materials for emerging applications, Nature, 417 (Jun 20 2002), 813-821 (gives structure).
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LINKS
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N. J. A. Sloane, AlPO_4-11 structure, after Davis
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CROSSREFS
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Cf. A072149-A072154.
Adjacent sequences: A072148 A072149 A072150 this_sequence A072152 A072153 A072154
Sequence in context: A123677 A133954 A087325 this_sequence A029626 A111622 A082418
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KEYWORD
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nonn,easy,more
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AUTHOR
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njas, Jun 28 2002
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EXTENSIONS
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More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Mar 29 2007
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