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A079601
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(A00670(2p)-1)/(6p) where p runs through the primes.
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0
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1, 30, 236242, 12544246390, 1229164015128849604270, 1367914941518920202892096130, 10989801394147610473210727542088302770490, 67520322268089344459189867921056960354422886750
(list; graph; refs; listen; history; internal format)
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