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A063793 For n > 0: x(n) = Min{ q prime | nextprime(q) - q - 1 = prime(n + 1)}; a(n) = if x(n) is defined then x(n) else 0. 0
7, 23, 89, 199, 113, 523, 887, 1669, 4297, 5591, 30593, 16141, 15683, 28229, 35617, 43331, 34061, 134513, 31397, 404597, 542603, 461717, 404851, 604073 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Conjecture: a(n) > 0 for n > 0

EXAMPLE

The 3rd odd prime is 7 = 97 - 89 - 1 and for all p < 89 nextprime(p) - p <> 8; therefore a(3) = 89.

CROSSREFS

A046933.

Sequence in context: A086908 A093069 A003540 * A096327 A154113 A053706

Adjacent sequences:  A063790 A063791 A063792 * A063794 A063795 A063796

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Aug 18 2001

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Last modified February 14 08:06 EST 2012. Contains 205604 sequences.