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A338386 The smallest number from the n-membered group of single (non-twin) primes. 0
23, 47, 79, 79, 353, 353, 353, 353, 353, 353, 673, 673, 673, 673, 673, 673, 673, 673, 8641, 8641, 8641, 8641, 13411, 13411, 13411, 14633, 14633, 24439, 24439, 24439, 24439, 24439, 24439, 24439, 24439, 24439, 24439, 24439, 24439, 24439, 62303, 62303, 62303, 62303 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Note that "single" means both non-twin and not 2.

LINKS

Table of n, a(n) for n=1..44.

Todor Szimeonov, Primes - four conjectures

MATHEMATICA

c = cm = s1 = 0; p = 3; q = 5; s = {}; Do[If[c == 0, s1 = q]; r = NextPrime[q]; If[r > q + 2 && q > p + 2, c++, c = 0]; If[c > cm, cm = c; AppendTo[s, s1]]; p = q; q = r, {10^4}]; s (* Amiram Eldar, Oct 25 2020 *)

CROSSREFS

Cf. A007510, A111950.

Sequence in context: A139501 A292509 A117876 * A090191 A281022 A054821

Adjacent sequences:  A338383 A338384 A338385 * A338387 A338388 A338389

KEYWORD

nonn

AUTHOR

Todor Szimeonov, Oct 23 2020

EXTENSIONS

More terms from Amiram Eldar, Oct 25 2020

STATUS

approved

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Last modified March 4 14:44 EST 2021. Contains 341796 sequences. (Running on oeis4.)