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A079011 a(n) = p is the least prime introducing prime-difference pattern {d,2d}, where d = 2n, i.e., {p, p+2n, p+2n+4n} = {p, p+2n, p+6n} are consecutive primes. 5
5, 397, 503, 1823, 1627, 8317, 5939, 94153, 68539, 83117, 444187, 542299, 428873, 1179649, 955511, 1625027, 2541289, 1290683, 19856363, 12183757, 5412091, 23374859, 27248701, 38235013, 21369059, 34718041, 84118081, 59859131 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..28.

EXAMPLE

For n=3: d = 2n = 6, d-pattern = {6, 12}, a(3) = 503, first corresponding prime triple is {503, 509, 521}.

MATHEMATICA

d[x_] := Prime[x+1]-Prime[x] t=Table[0, {70}]; Do[s=d[n]; If[(d[n+1]==2*s)&&(s<31)&&(t[[s]]==0), t[[s]]=Prime[n]], {n, 2, 100000}];

CROSSREFS

Cf. A079012, A079013.

Sequence in context: A057633 A193126 A006700 * A195502 A189307 A198538

Adjacent sequences:  A079008 A079009 A079010 * A079012 A079013 A079014

KEYWORD

nonn

AUTHOR

Labos Elemer, Jan 21 2003

STATUS

approved

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Last modified April 23 18:15 EDT 2019. Contains 322387 sequences. (Running on oeis4.)