cp's OEIS Frontend

A065645 Continued fraction for twin prime constant.

%I A065645 #9 Jun 15 2018 14:58:29
%S A065645 0,1,1,1,16,2,2,2,2,1,18,2,2,11,1,1,2,4,1,16,3,2,4,21,2,405,2,1,33,1,
%T A065645 2,8,2,29,1,4,4,4,4,1,9,3,1,4,1,1,2,26,1,8,2,6,1,4,1,3,9,46,1,6,1,1,4,
%U A065645 2,1,12,1,1,7,35,1,1,2,1,4,1199,2,3,1,2,3,3,13,15,4,1,1,1,10,9,6,3,1,3,1
%N A065645 Continued fraction for twin prime constant.
%H A065645 Harry J. Smith, <a href="/A065645/b065645.txt">Table of n, a(n) for n = 0..981</a>
%e A065645 1/(1+1/(1+1/(1+1/(16+1/(2+1/(2+1/(2+1/(2+1/(1+1/(18+...)))))))))).
%o A065645 (PARI) { default(realprecision,1002); c2=\
%o A065645 0.66016181584686957392781211001455577843262336028473341331944842333\
%o A065645 5405642304495277143760031413839867911779005226693304002965847755123\
%o A065645 3662277471657132139869687410976206302141537354348531315960978036699\
%o A065645 3213525529976719930247459059310108297829155383446929750520591665713\
%o A065645 3653611991532464281301172462306379341060056466676584434063501649322\
%o A065645 7235289680109349664756004788123579627894598424336557493755818548141\
%o A065645 7362867809870596949870384124336338658931196907915004057371781437108\
%o A065645 1810615401233104810577794415613125444598860988997585328984038108718\
%o A065645 0355252617198871121363828087823497223742240971426974417644552252655\
%o A065645 4899482977179097778404375789195659064999456706290782860882839599039\
%o A065645 4287082529070521554595671723599449769037800675978761690802426600295\
%o A065645 7110920996337082725592846721298580011486979418554018246398874939417\
%o A065645 1182852838236599705032872570808798066220106863047430520199239428201\
%o A065645 4311102297265141514194258422242375342296879836738796224286600285358\
%o A065645 098482833679152235700192585875285961205994728621007171131607980572; x=contfrac(c2); for (n=1, 982, write("b065645.txt", n-1, " ", x[n])); } \\ _Harry J. Smith_, May 15 2009
%Y A065645 Cf. A005597 (decimal expansion), A065646 (denominators of convergents to twin prime constant), A065647 (numerators of convergents to twin prime constant), A062270, A062271.
%K A065645 cofr,nonn
%O A065645 0,5
%A A065645 _Vladeta Jovovic_, Nov 08 2001