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Search: id:A119404
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| A119404 |
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Let p(i) denote the i-th prime. If 2 p(n) - p(n+1) is a prime, say p(n-i) and if p(n) has a level 1 in A117563, then we say that p(n) has level(1,i). Sequence gives primes of level(1,9). |
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6
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| 678659, 855739, 1403981, 2366543, 2744783, 2830657, 3027539, 3317033, 4525909, 4676851, 5341463, 5819563, 7087123, 7181897, 8815663, 9324257, 9878929, 9976937, 10403251, 10440641, 10447457, 10766411, 10787377, 11829151, 11881957
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Primes of level (1,1) form the sequence A006562
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EXAMPLE
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prime(780815)-prime(780814)=prime(780814)-prime(780814-9),
prime(780815)-prime(780814)=prime(780814)-prime(780805),
11882071-11881957=11881957-11881843=114=6*19,
prime(780814) has a level 1 in A117563,
prime(780814)=11881957 has a level(1,9).
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CROSSREFS
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Cf. A117078, A117563, A006562, A117876, A118464, A118467.
Sequence in context: A049499 A068246 A068248 this_sequence A014886 A010095 A081415
Adjacent sequences: A119401 A119402 A119403 this_sequence A119405 A119406 A119407
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KEYWORD
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nonn
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AUTHOR
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Remi Eismann and Fabien Sibenaler (fabien.sibenaler(AT)club-internet.fr), Jul 25 2006
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