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

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

Links

Table of n, a(n) for n=0..79.

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

Adjacent sequences: A259927 A259928 A259929 * A259931 A259932 A259933

Keyword

nonn,cons,base

Author

R. J. Mathar, Jul 09 2015

Status

approved