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

Author

R. J. Mathar, Jul 09 2015

Keywords

• nonn
• cons
• base

Examples

			Equals 0.1418681318783738183569757397727153333597854856723780...
		

Crossrefs

Cf. A258718, A259837, A259838 (powers of 2).

Programs

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:

Formula

Equals sum_{n>=0} p/100^A055642(p) where p = A000244(n).