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A072151 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). +0
1
1, 3, 5, 7, 11, 14, 15, 18, 22, 24, 26, 28, 31, 36, 37, 37, 43 (list; graph; listen)
OFFSET

0,2

COMMENT

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.

REFERENCES

M. E. Davis, Ordered porous materials for emerging applications, Nature, 417 (Jun 20 2002), 813-821 (gives structure).

LINKS

N. J. A. Sloane, AlPO_4-11 structure, after Davis

CROSSREFS

Cf. A072149-A072154.

Sequence in context: A123677 A133954 A087325 this_sequence A029626 A111622 A082418

Adjacent sequences: A072148 A072149 A072150 this_sequence A072152 A072153 A072154

KEYWORD

nonn,easy,more

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Jun 28 2002

EXTENSIONS

More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Mar 29 2007

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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