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A172340
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a(n)=((2^n+1)^n-(2^n-1)^n)/2
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0
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1, 8, 193, 16448, 5253121, 6447694208, 30795721162753, 576522325894105088, 42502811563960266915841, 12379542064132015743721023488, 14278867426031486089248841370959873
(list;
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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MATHEMATICA
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Table[((2^x + 1)^x - (2^x - 1)^x)/2, {x, 1, 15}]
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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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