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A164513 Primes with gap to the next prime no less than 20. 0
887, 1129, 1327, 1637, 1669, 1951, 2179, 2311, 2477, 2557, 2971, 3089, 3137, 3229, 3271, 3413, 3469, 3739, 3947, 3967, 4027, 4177, 4297, 4523, 4759, 4831, 5119, 5237, 5351, 5449, 5531, 5591, 5717, 5749, 5903, 5953, 5987, 6173, 6397, 6427, 6491, 6737 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Includes all terms of A031938.

LINKS

Table of n, a(n) for n=1..42.

MATHEMATICA

(*M6*)a=2; S={}; Do[b=NextPrime[a]; If[b-a>=20, AppendTo[S, a]]; a=b, {2000}]; S

CROSSREFS

Cf. A031938 Lower prime of a difference of 20 between consecutive primes.

Sequence in context: A020393 A103811 A190354 * A031938 A165504 A136966

Adjacent sequences:  A164510 A164511 A164512 * A164514 A164515 A164516

KEYWORD

nonn

AUTHOR

Zak Seidov, Aug 14 2009

STATUS

approved

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Last modified October 16 19:22 EDT 2018. Contains 316271 sequences. (Running on oeis4.)