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A081560
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Binomial transform of expansion of exp(cosh(2x)).
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2
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1, 1, 5, 13, 89, 361, 3005, 16213, 157169, 1048081, 11509685, 90793693, 1108802249, 10054120441, 134712712685, 1375818738853, 20017552431329, 226802388529441, 3554162892847205, 44153857947768493, 740316072791255609
(list; graph; refs; listen; history; internal format)
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