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A086220 Numbers n such that p=n^2+2, p+2, p+6 and p+8 are four consecutive primes. 3
3, 57, 32397, 54813, 61827, 62493, 98487, 98853, 119937, 213237, 254577, 306123, 322263, 328803, 438453, 603603, 619263, 656733, 671013, 675807, 821247, 875277, 1051173, 1121133, 1163697, 1230783, 1234317, 1337763, 1382223, 1388103, 1455927, 1538517, 1581237 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Andrew Howroyd, Table of n, a(n) for n = 1..1000

PROG

(PARI) is(n)={my(p=n^2+2); isprime(p) && isprime(p+2) && isprime(p+6) && isprime(p+8)} \\ Andrew Howroyd, Jan 05 2020

CROSSREFS

Cf. A086380, A086381, A086509.

Sequence in context: A012204 A000281 A316664 * A127263 A134723 A133060

Adjacent sequences:  A086217 A086218 A086219 * A086221 A086222 A086223

KEYWORD

easy,nonn

AUTHOR

Zak Seidov, Sep 08 2003

EXTENSIONS

Terms a(15) and beyond from Andrew Howroyd, Jan 05 2020

STATUS

approved

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Last modified October 18 10:53 EDT 2021. Contains 348067 sequences. (Running on oeis4.)