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Search: id:A093078
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| A093078 |
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Primes p = prime(i) such that p(i)# - p(i+1) is prime. |
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+0 2
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| 5, 7, 11, 13, 19, 79, 83, 89, 149, 367, 431, 853, 4007, 8819, 8969
(list; graph; listen)
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OFFSET
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1,1
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LINKS
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Hisanori Mishima, PI Pn - NextPrime (n = 1 to 100).
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EXAMPLE
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3 = p(2) is in the sequence because p(2)# + p(3) = 11 is prime.
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MATHEMATICA
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Do[p = Product[ Prime[i], {i, 1, n}]; q = Prime[n + 1]; If[ PrimeQ[p - q], Print[ Prime[n]]], {n, 1, 1435}]
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CROSSREFS
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Cf. A087714, A088415, A093077.
Sequence in context: A154275 A167460 A045439 this_sequence A050541 A098865 A022885
Adjacent sequences: A093075 A093076 A093077 this_sequence A093079 A093080 A093081
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KEYWORD
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nonn
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AUTHOR
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Robert G. Wilson v (rgwv(AT)rgwv.com), Oct 25 2003
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