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A033561 Primes p such that 6!+p is also prime. 1
7, 13, 19, 23, 31, 37, 41, 53, 67, 89, 101, 103, 107, 109, 137, 139, 157, 163, 167, 191, 199, 227, 233, 251, 257, 263, 271, 277, 293, 311, 313, 331, 349, 367, 373, 383, 389, 397, 409, 431, 433, 443, 461, 467, 503, 509 (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[Prime[Range[800]], PrimeQ[# + 720]&] (* Vincenzo Librandi, Apr 10 2013 *)

PROG

(MAGMA) [p: p in PrimesUpTo(800)|IsPrime(p+720)]; // Vincenzo Librandi, Apr 10 2013

CROSSREFS

Sequence in context: A309649 A088982 A176406 * A227030 A049591 A176180

Adjacent sequences:  A033558 A033559 A033560 * A033562 A033563 A033564

KEYWORD

nonn,easy

AUTHOR

Jeff Burch

STATUS

approved

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Last modified October 24 20:35 EDT 2021. Contains 348233 sequences. (Running on oeis4.)