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A096523 Solutions to A096520[x]>5, that is in neighborhood with c=2^x center and r=Ceiling[Log[2^x]] more than five[6,7,8,..?] primes occur. 14
127, 505, 573, 619, 670, 714, 743, 844, 963 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..9.

EXAMPLE

For the first few terms, the numbers of primes in the corresponding neighborhood of 2^(a[j]) are 6, 6, 8, 6, 6, 6, 6, 7, 6.

MATHEMATICA

{ta=Table[0, {1000}], u=1}; Do[s=Count[Table[PrimeQ[2^n+i], {i, -Ceiling[Log[2^n]//N], Ceiling[Log[2^n]//N]}], True]; If[Greater[s, 5], Print[{n, s}]; ta[[u]]=n; u=u+1], {n, 1, 1000}]; ta

CROSSREFS

Cf. A096509-A096521.

Sequence in context: A057814 A038646 A245867 * A299132 A142736 A152783

Adjacent sequences:  A096520 A096521 A096522 * A096524 A096525 A096526

KEYWORD

nonn

AUTHOR

Labos Elemer, Jul 12 2004

STATUS

approved

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Last modified January 22 22:16 EST 2020. Contains 331166 sequences. (Running on oeis4.)