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A216787 a(n) = Product_{k=1..n} (144 - 12/k). 1
1, 132, 18216, 2550240, 359583840, 50917071744, 7230224187648, 1028757612985344, 146597959850411520, 20914642271992043520, 2986610916440463814656, 426813850967673556058112, 61034380688377318516310016, 8732611390798600956948971520, 1250010944797171165551838494720 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
COMMENTS
This sequence is generalizable: Product_{k=1..n} (q^2 - q/k) = (q^n/n!) * Product_{k=0..n-1} (q*k + q-1) = expansion of (1- x*q^2)^((1-q)/q).
LINKS
MAPLE
seq(product(144-12/k, k=1.. n), n=0..20);
seq((12^n/n!)*product(12*k+11, k=0.. n-1), n=0..20);
MATHEMATICA
Join[{1}, FoldList[Times, 144-12/Range[20]]] (* Harvey P. Dale, Dec 22 2015 *)
CROSSREFS
Sequence in context: A258394 A215546 A269042 * A239817 A175410 A146522
KEYWORD
nonn
AUTHOR
Michel Lagneau, Sep 16 2012
STATUS
approved

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Last modified March 28 15:38 EDT 2024. Contains 371254 sequences. (Running on oeis4.)