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A161367
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Primes such that prime(k)-prime(k-1)+1 is not prime.
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0
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97, 127, 307, 331, 367, 397, 409, 457, 487, 499, 691, 709, 727, 751, 769, 787, 853, 877, 907, 919, 937, 967, 991, 1117, 1171, 1201, 1361, 1381, 1423, 1447, 1531, 1567, 1579, 1597, 1657, 1693, 1741, 1831, 1861, 1987, 2011, 2053, 2161, 2203, 2221, 2251, 2281, 2371, 2437, 2467
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OFFSET
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1,1
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LINKS
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EXAMPLE
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a(1)=97 because it is the first prime, prime(k), such that prime(k)-prime(k-1)+1 is not prime: 97-89+1=15, and 15 is not prime.
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PROG
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(PARI) isok(p) = isprime(p) && !isprime(p-precprime(p-1)+1); \\ Michel Marcus, May 12 2024
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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