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A276812
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Prime gap residues mod previous prime gap.
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2
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0, 0, 0, 2, 0, 2, 0, 2, 2, 0, 4, 2, 0, 2, 0, 2, 0, 4, 2, 0, 4, 2, 2, 4, 2, 0, 2, 0, 2, 4, 2, 2, 0, 2, 0, 0, 4, 2, 0, 2, 0, 2, 0, 2, 0, 0, 4, 2, 0, 2, 2, 0, 6, 0, 0, 2, 0, 4, 2, 0, 4, 4, 2, 0, 2, 6, 4, 2, 0, 2, 2, 6, 0, 4, 2, 2, 4, 0, 2, 2, 0, 2, 0, 4, 2, 2, 4, 2, 0, 0, 8, 4, 0, 4, 2, 0, 2, 0, 6, 4
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OFFSET
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1,4
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LINKS
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János Pintz, On the Ratio of Consecutive Gaps Between Primes, in Carl Pomerance and Michael Th. Rassias, Analytic Number Theory; In Honor of Helmut Maier’s 60th Birthday, Springer International Publishing, 2015, ISBN 978-3-319-22239-4, pp. 285-304.
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EXAMPLE
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For n = 4: prime(4+2) = 13, prime(4+1) = 11 and prime(4) = 7. (13-11) % (11-7) = 2 % 4 = 2, so a(4) = 2. - Felix Fröhlich, Oct 04 2016
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MATHEMATICA
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Table[Mod[Prime[n + 2] - Prime[n + 1], Prime[n + 1] - Prime[n]], {n, 1, 100, 1}]
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PROG
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(PARI) a(n) = (prime(n+2)-prime(n+1)) % (prime(n+1)-prime(n)) \\ Felix Fröhlich, Oct 04 2016
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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