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A083045
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Main diagonal of table A083044.
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4
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1, 6, 17, 35, 68, 122, 224, 383, 656, 1092, 1841, 2978, 4859, 7835, 12776, 20291, 32664, 51422, 82485, 129720, 204821, 319482, 506060, 789872, 1237733, 1927494, 3024318, 4687259, 7274921, 11271293, 17578760, 27133793, 42125475, 64909160
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,2
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LINKS
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FORMULA
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a(n) = T(n, n), where T(n, 0) = floor(n*x/(x-1)) + 1, T(n, k+1) = ceiling(x*T(n, k)), for n >= 0, k >= 0, with x=3/2.
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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