A243960 - OEIS

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A243960

Primes that do not divide the numbers of the form A242719(n)-1.

2, 11, 17, 23, 31, 41, 53, 59, 79, 83, 101, 113, 137, 149, 167, 179, 197, 229, 251, 263, 269, 281, 283, 311, 317, 331, 349, 383, 433, 439, 457, 461, 463, 479, 487, 499, 503, 509, 521, 547, 577, 593, 599, 619, 641, 661, 673, 683, 691, 709, 739, 769, 787, 809

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OFFSET

1,1

COMMENTS

If a prime p=prime(k) does not divide A242719(i)-1 for i=2,3,...,k, then it is in the sequence.

LINKS

Table of n, a(n) for n=1..54.

CROSSREFS

Cf. A242719.

Sequence in context: A156829 A255609 A105840 * A336368 A282509 A225590

Adjacent sequences: A243957 A243958 A243959 * A243961 A243962 A243963

KEYWORD

nonn

AUTHOR

Vladimir Shevelev, Jun 16 2014

EXTENSIONS

More terms from Peter J. C. Moses, Jun 17 2014

STATUS

approved