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A092947
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Group the natural numbers so that the n-th group contains n numbers whose sum as well as the group product +1 is prime. Sequence contains the primes arising as the product of the terms of groups +1.
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3
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3, 5, 181, 2521, 552553, 39070081, 4180176001, 1483048828801, 672375473078401, 106890247271808001, 40812700642879334401, 37716399337002946560001, 18266163370859189769984001, 9553876078552184850831360001
(list; graph; refs; listen; history; internal format)
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