A093734 - OEIS

A093734

Primes p such that both prime(p) + prime(p+1) +/-1 are also primes.

3, 19, 79, 127, 131, 149, 373, 401, 487, 1031, 1303, 1427, 1699, 1801, 2069, 2477, 2659, 2767, 3307, 3391, 3449, 3583, 3671, 3727, 4093, 4423, 4603, 4817, 5081, 5501, 5641, 5737, 5813, 5839, 6619, 7219, 7243, 7351, 7393, 8293, 8543, 8641, 8693, 8699

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

MATHEMATICA

Select[ Range[ 10000 ], PrimeQ[ # ] && PrimeQ[ Prime[ # ] + Prime[ # + 1 ] - 1 ] && PrimeQ[ Prime[ # ] + Prime[ # + 1 ] + 1 ] & ]

CROSSREFS

Cf. A072669, A092738.

Sequence in context: A336589 A240746 A027175 * A099421 A241885 A061171

Adjacent sequences: A093731 A093732 A093733 * A093735 A093736 A093737

KEYWORD

nonn

AUTHOR

Robert G. Wilson v and Jorge Coveiro, Apr 14 2004

STATUS

approved