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A121309
Number of 3-anisohedral polyiamonds of order n.
0
0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 8, 8, 9, 7, 13, 16, 16, 17, 25, 125, 32, 43, 34, 121, 46, 62, 57, 113, 59, 2881
OFFSET
1,11
CROSSREFS
Sequence in context: A193781 A200492 A154707 * A020785 A090654 A181673
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Aug 25 2006
EXTENSIONS
Adjusted to offset 1 and a(29) and a(30) added by Joseph Myers, Nov 21 2010
STATUS
approved