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A103472 Number of polyominoes consisting of 6 regular unit n-gons. 10
12, 35, 118, 82, 118, 269, 585, 985, 1750, 1438, 1765, 2718, 4336, 6040, 8814, 7678, 8839, 11876, 16410, 20970, 27720, 24998, 27787, 34763, 44687, 54133, 67601, 62252, 67777, 81066, 99420, 116465, 140075, 130711, 140434, 163027, 193587, 221521 (list; graph; refs; listen; history; text; internal format)
OFFSET
3,1
LINKS
S. Kurz, k-polyominoes.
EXAMPLE
a(3)=12 because there are 12 polyiamonds consisting of 6 triangles and a(4)=35 because there are 35 polyominoes consisting of 6 squares.
CROSSREFS
Sequence in context: A367359 A367344 A195542 * A009649 A195539 A007794
KEYWORD
nonn
AUTHOR
Sascha Kurz, Feb 07 2005
STATUS
approved

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Last modified June 18 11:09 EDT 2024. Contains 373481 sequences. (Running on oeis4.)