Search: id:A128293
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%I A128293
%S A128293 1,2,7,79,4235,45300517,309689522673815,299546552508509354530034070267,
%T A128293 17137006759160419556328886129521887629616818247406307478983
%N A128293 a(n) = numerator of b(n): b(1)=1; b(n+1) = b(n) + [b(1);b(2),...,b(n)], 
               where [...] is a continued fraction of rational terms.
%C A128293 Next term a(10) has roughly 118 digits. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), 
               Sep 24 2007
%H A128293 Leroy Quet, <a href="http://www.prism-of-spirals.net/">Home Page</a> 
               (listed in lieu of email address)
%p A128293 L2cfrac := proc(L) local a,i; a := op(-1,L) ; for i from 2 to nops(L) 
               do a := op(-i,L)+1/a ; od: RETURN(a) ; end: A128293 := proc() local 
               b,n,bnxt; b := [1] ; for n from 2 to 10 do bnxt := op(-1,b)+L2cfrac(b) 
               ; b := [op(b),bnxt] ; od: [seq( numer(b[i]),i=1..nops(b))] ; end: 
               A128293() ; - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 24 
               2007
%Y A128293 Cf. A128294.
%Y A128293 Sequence in context: A067963 A059406 A042791 this_sequence A071409 A135756 
               A111822
%Y A128293 Adjacent sequences: A128290 A128291 A128292 this_sequence A128294 A128295 
               A128296
%K A128293 frac,nonn
%O A128293 1,2
%A A128293 Leroy Quet Feb 25 2007
%E A128293 Corrected and extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), 
               Sep 24 2007

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