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A008250 Coordination sequence T2 for Banalsite. +0
1
1, 4, 11, 24, 42, 65, 97, 135, 176, 221, 277, 337, 400, 469, 547, 629, 716, 807, 907, 1013, 1122, 1235, 1359, 1487, 1618, 1755, 1901, 2051, 2206, 2365, 2533, 2707, 2884, 3065, 3257, 3453, 3652, 3857, 4071, 4289, 4512, 4739, 4975, 5217, 5462, 5711, 5971 (list; graph; listen)
OFFSET

0,2

REFERENCES

Inorganic Crystal Structure Database: Collection Code 4447.

LINKS

R. W. Grosse-Kunstleve, Coordination Sequences and Encyclopedia of Integer Sequences

FORMULA

a(12*m+k) = 408*m^2 + 68*k*m + one of 12 numbers depending on k, 0<=k<12 (N. J. A. Sloane).

CROSSREFS

Sequence in context: A008259 A008079 A008090 this_sequence A099074 A014818 A006527

Adjacent sequences: A008247 A008248 A008249 this_sequence A008251 A008252 A008253

KEYWORD

nonn,easy

AUTHOR

R. W. Grosse-Kunstleve (rwgk(AT)cci.lbl.gov)

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.


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