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A152962
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Beginning of the first maximal chain of primes with n links (n+1 members).
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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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The prime indices of the terms are 10, 3, 6, 18, 35153, 325, 321150.
Is this sequence finite, i.e. is the length (count of members) of chains of primes bounded?
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LINKS
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Carlos Rivera, The prime puzzles & problems connection, Puzzle 463
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EXAMPLE
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First maximal chain of primes with one link (two members) is 29, 31; the linking prime is 631.
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CROSSREFS
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Cf. A152658 (beginnings of maximal chains of primes), 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, A152963, A152964.
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KEYWORD
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hard,more,nonn
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AUTHOR
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STATUS
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approved
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