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A182483 a(n) is the least m such that A182482(m) = A001359(n), the n-th twin prime. 2
1, 2, 3, 5, 7, 10, 4, 17, 9, 23, 25, 15, 8, 11, 19, 20, 45, 47, 13, 29, 14, 24, 77, 87, 95, 50, 103, 107, 22, 27, 137, 46, 143, 21, 34, 43, 175, 59, 91, 48, 41, 71, 215, 31, 44, 119, 121, 247, 62, 67, 54, 139, 283, 287, 149, 39, 313, 161, 65, 37, 169, 347, 116 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,2

COMMENTS

a(n) exists for every n>=2.

LINKS

Table of n, a(n) for n=2..64.

MATHEMATICA

t = Table[k = 0; While[p = 6*k*n - 1; ! (PrimeQ[p] && PrimeQ[p + 2]), k++]; p, {n, 1000}]; tp = Select[Prime[Range[1000]], PrimeQ[# + 2] &]; t2 = {}; found = True; n = 2; While[found, pos = Position[t, tp[[n]], 1, 1]; If[pos == {}, found = False, AppendTo[t2, pos[[1, 1]]]; n++]]; t2 (* T. D. Noe, May 02 2012 *)

CROSSREFS

Cf. A182481, A182482, A001359, A006512, A014574, A001097, A077800, A002822.

Sequence in context: A193622 A265249 A214331 * A323013 A163975 A267521

Adjacent sequences:  A182480 A182481 A182482 * A182484 A182485 A182486

KEYWORD

nonn

AUTHOR

Vladimir Shevelev, May 01 2012

STATUS

approved

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Last modified April 21 20:03 EDT 2019. Contains 322328 sequences. (Running on oeis4.)