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A333977 Prime starting a sequence of 20 consecutive primes with symmetrical gaps about the center. 1
1797595814863, 2375065608481, 4465545586753, 21818228348093, 67696772430071, 82116093014611, 155947272322087, 161980267642951, 169560139541641, 202619277419161, 285719200081877, 299828814652799, 314942862282899, 365706921997577 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..14.

Tomáš Brada, Natalia Makarova, Symmetric Prime Tuples project

Natalia Makarova, About Stop@home project

Natalia Makarova and Carlos Rivera, Problem 62. Symmetric k-tuples of consecutive primes, The Prime Puzzles and Problems Connection.

CROSSREFS

Cf. A175309, A055381, A336967, A336968, A055381, A055382, A081235, A335044, A335394.

Sequence in context: A289148 A282182 A017543 * A233609 A233601 A233850

Adjacent sequences:  A333974 A333975 A333976 * A333978 A333979 A333980

KEYWORD

nonn

AUTHOR

Tomáš Brada, Sep 20 2020

STATUS

approved

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Last modified May 20 03:37 EDT 2022. Contains 353851 sequences. (Running on oeis4.)