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A167517 Emirps (A007500) which are concatenation of three consecutive primes (A030469). 4
353359367, 193319491951, 334733593361, 344934573461, 346734693491, 732173317333, 902990419043, 104591046310477, 133091331313327, 141591417314177, 146571466914683, 150131501715031, 154431545115461 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

A subsequence of A007500, A030469, A132903.

LINKS

Table of n, a(n) for n=1..13.

FORMULA

A167517 = A007500 n A030469 = A007500 n A132903 (where "n" means intersection).

PROG

(PARI) for(i=1, 9999, isprime(eval(p=Str(prime(i), prime(i+1), prime(i+2)))) & isprime(eval(concat(vecextract(Vec(p), "-1..1"))))& print1(p, ", "))

CROSSREFS

Sequence in context: A032757 A288273 A219271 * A227642 A189124 A189125

Adjacent sequences:  A167514 A167515 A167516 * A167518 A167519 A167520

KEYWORD

base,nonn

AUTHOR

Jonathan vos Post and M. F. Hasler, Nov 10 2009

STATUS

approved

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Last modified April 13 10:24 EDT 2021. Contains 342935 sequences. (Running on oeis4.)