|
| |
|
|
A072812
|
|
Take the binary number P=1.01101010001... which has an 1 in each decimal position that is a prime (e.g. 2,3,5,7...) and convert this number to base 10.
|
|
0
|
|
|
|
1, 4, 1, 4, 6, 8, 2, 5, 0, 9, 8, 5, 1, 1, 1, 1, 6, 6, 0, 2, 4, 8, 1, 0, 9, 6, 2, 2, 1, 5, 4, 3, 0, 7, 7, 0, 8, 3, 6, 6
(list;
constant;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,2
|
|
|
LINKS
|
Table of n, a(n) for n=1..40.
|
|
|
EXAMPLE
|
1.414682509851111660248109622154307708366...
|
|
|
MAPLE
|
a := 1; for i from 2 to 1000 do if isprime(i) then a := a+10^(-i); end if; end do; b := evalf(a, 100); evalf(convert(b, decimal, binary), 40);
|
|
|
CROSSREFS
|
Essentially the same as A051006, which is the main entry.
Sequence in context: A193750 A092856 A051006 * A162956 A131112 A141225
Adjacent sequences: A072809 A072810 A072811 * A072813 A072814 A072815
|
|
|
KEYWORD
|
base,cons,easy,nonn
|
|
|
AUTHOR
|
Andre Neumann Kauffman (andrekff(AT)hotmail.com), Aug 13 2002
|
|
|
STATUS
|
approved
|
| |
|
|