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A193176
A193175(n)/2.
1
2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 24, 25, 27, 30, 33, 35, 42, 45
OFFSET
1,1
REFERENCES
Mermin, N. David; Rokhsar, Daniel S.; and Wright, David C.; Beware of 46-fold symmetry: the classification of two-dimensional quasicrystallographic lattices. Phys. Rev. Lett. 58 (1987), 2099-2101.
CROSSREFS
Cf. A193175.
Sequence in context: A182049 A038770 A342591 * A263314 A267086 A362623
KEYWORD
nonn,fini,full
AUTHOR
N. J. A. Sloane, Jul 17 2011
STATUS
approved