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 A053319 Distance between the smaller members of successive twin prime pairs. 11
 2, 6, 6, 12, 12, 18, 12, 30, 6, 30, 12, 30, 12, 6, 30, 12, 30, 12, 30, 36, 72, 12, 30, 60, 48, 30, 18, 24, 18, 150, 12, 6, 30, 24, 138, 12, 18, 12, 30, 60, 78, 48, 12, 12, 18, 108, 24, 30, 6, 120, 12, 48, 30, 24, 66, 84, 6, 54, 18, 48, 30, 54, 6, 24, 18, 12, 96, 30, 42, 30, 42 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Conjecture: a(n) < log(A014574(n))^3 for n > 2. - Thomas Ordowski, Jul 21 2012 This is of course also the distance between the larger members of successive twin primes. - Franklin T. Adams-Watters, Jun 03 2014 LINKS M. F. Hasler, Table of n, a(n) for n = 1..107406 MATHEMATICA Differences[Transpose[Select[Partition[Prime[Range[450]], 2, 1], Last[#]-First[#]==2&]][[1]]] (* Harvey P. Dale, Feb 08 2011 *) PROG (PARI) {cnt=0; lp= /*last*/ ltp=/*last twin(upper)*/ 5; forprime(p=lp+1, default(primelimit), if(p-lp != 2, lp=p; next); write("b053319.txt", cnt++" "p-ltp); /* print1(p-ltp", "); */ ltp=lp=p)} \\ M. F. Hasler, May 26 2007 CROSSREFS First differences of A001359, A006512, and of A014574. Sequence in context: A087560 A071892 A064797 * A253215 A075779 A241301 Adjacent sequences: A053316 A053317 A053318 * A053320 A053321 A053322 KEYWORD nonn AUTHOR Labos Elemer, Mar 06 2000 EXTENSIONS Definition clarified by Harvey P. Dale, Feb 08 2011 STATUS approved

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