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A228448
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a(n) = floor(n!/3^n).
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0
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1, 0, 0, 0, 0, 0, 0, 2, 6, 18, 61, 225, 901, 3905, 18226, 91134, 486048, 2754274, 16525645, 104662422, 697749481, 4884246371, 35817806721, 274603184861, 2196825478892, 18306878990770, 158659617920008, 1427936561280078, 13327407905280733, 128831609751047086
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,8
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LINKS
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MATHEMATICA
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PROG
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(Python)
import math
for n in range(99): print str(math.factorial(n)/(3**n))+', ',
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CROSSREFS
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KEYWORD
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nonn,less
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AUTHOR
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STATUS
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approved
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