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Search: id:A053524
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A053524 (6^n-(-2)^n)/8. +0
4
0, 1, 4, 28, 160, 976, 5824, 35008, 209920, 1259776, 7558144, 45349888, 272097280, 1632587776, 9795518464, 58773127168, 352638730240, 2115832446976, 12694994550784, 76169967566848, 457019804876800, 2742118830309376, 16452712979759104 (list; graph; listen)
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Last modified December 4 23:11 EST 2009. Contains 170347 sequences.


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