Search: id:A137197 Results 1-1 of 1 results found. %I A137197 %S A137197 1,0,9,2,3,6,3,7,9,1,0,9,5,1,2,2,7,8,8,8,0,1,3,8,0,4,2,4,4,8,9,0,9,7,0, 5, %T A137197 8,8,7,1,5,0,4,6,4,4,7,1,0,8,1,4,2,4,4,2,3,8,0,5,4,9,7,5,5,0,2,2,7,2,8, %U A137197 4,7,3,0,1,8,8,5,5,4,8,5,9,2,0,6,0,3,6,5,9,4,6,6,2,2,8,1,3,0 %N A137197 Decimal expansion of the sum of the reciprocals of the elements of A007908. %e A137197 1 + 1/12 + 1/123 + 1/1234 + 1/12345 + 1/123456 + .....= 1.092363791095122788801379606307272101696392189425879\ 3349801635199721622546190953748287037568512919456 %p A137197 > readlib(log10); P:=proc(n) local a,i,j,k; a:=1; k:=2; j:=1; for i from 1 by 1 to n do j:=j*10^(trunc(evalf(log10(k)))+1)+k; a:=a+1/j; k:=k+1; lprint(evalf(a,101)); od; end: P(1000); %Y A137197 Cf. A007908. %Y A137197 Sequence in context: A104539 A160108 A011344 this_sequence A144981 A133841 A099769 %Y A137197 Adjacent sequences: A137194 A137195 A137196 this_sequence A137198 A137199 A137200 %K A137197 easy,nonn,cons %O A137197 1,3 %A A137197 Paolo P. Lava & Giorgio Balzarotti (ppl(AT)spl.at), Mar 04 2008 Search completed in 0.001 seconds