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A152963
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Beginnings of maximal chains of primes with seven members (six links).
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7
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OFFSET
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1,1
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COMMENTS
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For definitions see A152658, of which this is a subsequence.
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LINKS
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Table of n, a(n) for n=1..5.
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EXAMPLE
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First maximal chain of primes with seven members is 2153, 2161, 2179, 2203, 2207, 2213, 2221; the six linking primes are 1404211, 1417019, 1435117, 1448687, 1456393, 1465441.
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CROSSREFS
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Cf. A152658 (beginnings of maximal chains of primes), A152962 (beginning of the first maximal chain of primes with n links), A152735 (count of links in n-th maximal chain of primes), A119487 (primes of the form i*(i-th prime) + (i+1)*((i+1)-th prime), linking primes), A152865, A152866, A152867, A152868, A152869, A152964.
Sequence in context: A236150 A252126 A192771 * A179698 A075702 A205629
Adjacent sequences: A152960 A152961 A152962 * A152964 A152965 A152966
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KEYWORD
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hard,more,nonn
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AUTHOR
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Klaus Brockhaus, Dec 16 2008
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STATUS
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approved
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