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A098807 Numbers 2n arising from A098806. 1
2, 4, 6, 8, 10, 12, 14, 18, 20, 24, 28, 30, 34, 36, 38, 40, 42, 48, 50, 54, 60, 64, 66, 68, 72, 78, 80, 84, 90, 94, 96, 98, 102, 104, 108, 110, 114, 120, 124, 126, 132, 134, 138, 144, 150, 154, 156, 162, 164, 168, 174, 178, 180, 186, 188, 190, 192, 198, 204, 208, 210 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

LINKS

Table of n, a(n) for n=2..62.

PROG

(PARI) f(n) = for(p=1, n, for(x=1, n, y=x-p; z=x+p; if(isprime(y)&isprime(z)&isprime(x), print1(p", "); break)))

CROSSREFS

Sequence in context: A276106 A321501 A238264 * A189562 A194372 A058218

Adjacent sequences:  A098804 A098805 A098806 * A098808 A098809 A098810

KEYWORD

easy,nonn

AUTHOR

Cino Hilliard, Oct 06 2004

STATUS

approved

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Last modified January 28 00:32 EST 2020. Contains 331313 sequences. (Running on oeis4.)