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A108035
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Triangle read by rows: n-th row is n-th nonzero Fibonacci number repeated n times.
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5
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1, 2, 2, 3, 3, 3, 5, 5, 5, 5, 8, 8, 8, 8, 8, 13, 13, 13, 13, 13, 13, 21, 21, 21, 21, 21, 21, 21, 34, 34, 34, 34, 34, 34, 34, 34, 55, 55, 55, 55, 55, 55, 55, 55, 55, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 233, 233, 233, 233, 233, 233, 233, 233, 233, 233, 233, 233
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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LINKS
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FORMULA
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G.f.: (1+x+y)/((1-x-x^2)*(1-y-y^2)). [U coordinates]
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EXAMPLE
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1; 2,2; 3,3,3; 5,5,5,5; 8,8,8,8,8; ...
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MATHEMATICA
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Flatten[Table[Table[Fibonacci[n], {n-1}], {n, 13}]] (* Harvey P. Dale, Jul 18 2015 *)
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PROG
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(Haskell)
a108035 n k = a108035_tabl !! (n-1) !! (n-1)
a108035_row n = a108035_tabl !! (n-1)
a108035_tabl = zipWith replicate [1..] $ drop 2 a000045_list
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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