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A259930
Value of DIS (Decimal Integer Series) constant based on the sequence of powers of 3.
1
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, 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, 5, 3, 3, 8, 9, 8, 9, 2, 7, 9, 4, 5
OFFSET
0,2
FORMULA
Equals sum_{n>=0} p/100^A055642(p) where p = A000244(n).
EXAMPLE
Equals 0.1418681318783738183569757397727153333597854856723780...
MAPLE
shftdgs := proc(n)
n/100^A055642(n) ;
end proc:
Digits := 120 :
x := 0.0 ;
for n from 0 to 200 do
x := x+evalf(shftdgs(A000244(n))) ;
if n mod 10 = 0 then
print(x) ;
end if;
end do:
CROSSREFS
Cf. A258718, A259837, A259838 (powers of 2).
Sequence in context: A343125 A205296 A143820 * A103553 A067439 A116924
KEYWORD
nonn,cons,base
AUTHOR
R. J. Mathar, Jul 09 2015
STATUS
approved