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2, 23, 61, 821, 4201, 270131, 61277761, 274359834731, 23888027348153, 86936981079782063, 4243031147170261950811, 272838646828154727511151, 821882010875193363312928672952261
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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EXAMPLE
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n=17 -> 2^17=131072 -> 270131=A000040(23652), therefore A004094(17)=270131 is a term.
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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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