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A147304
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a(n) = Sum_{k=1..prime(n)^2-1} binomial(2k,k).
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2
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28, 17576, 43308802158650, 8610524734277600186228691452, 121374542758943982922417964798154019940274699584207321286055873543631298, 8126392396649531937838689708830356413772063825711016912849229977138431439363305375418692100492504264
(list; graph; refs; listen; history; internal format)
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