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A259930 Value of DIS (Decimal Integer Series) constant based on the sequence of powers of 3.

%I A259930 #9 Jul 09 2015 05:34:29
%S A259930 1,4,1,8,6,8,1,3,1,8,7,8,3,7,3,8,1,8,3,5,6,9,7,5,7,3,9,7,7,2,7,1,5,3,
%T A259930 3,3,3,5,9,7,8,5,4,8,5,6,7,2,3,7,8,0,1,0,0,1,9,1,6,8,2,2,1,9,3,2,3,3,
%U A259930 5,3,3,8,9,8,9,2,7,9,4,5
%N A259930 Value of DIS (Decimal Integer Series) constant based on the sequence of powers of 3.
%F A259930 Equals sum_{n>=0} p/100^A055642(p) where p = A000244(n).
%e A259930 Equals 0.1418681318783738183569757397727153333597854856723780...
%p A259930 shftdgs := proc(n)
%p A259930     n/100^A055642(n) ;
%p A259930 end proc:
%p A259930 Digits := 120 :
%p A259930 x := 0.0 ;
%p A259930 for n from 0 to 200 do
%p A259930     x := x+evalf(shftdgs(A000244(n))) ;
%p A259930     if n mod 10 = 0 then
%p A259930         print(x) ;
%p A259930     end if;
%p A259930 end do:
%Y A259930 Cf. A258718, A259837, A259838 (powers of 2).
%K A259930 nonn,cons,base
%O A259930 0,2
%A A259930 _R. J. Mathar_, Jul 09 2015