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Search: id:A072812
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| A072812 |
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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. |
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+0
1
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| 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; cons; graph; listen)
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OFFSET
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1,2
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EXAMPLE
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1.414682509851111660248109622154307708366...
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MAPLE
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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);
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CROSSREFS
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Essentially the same as A051006, which is the main entry.
Sequence in context: A081773 A092856 A051006 this_sequence A131112 A141225 A079185
Adjacent sequences: A072809 A072810 A072811 this_sequence A072813 A072814 A072815
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KEYWORD
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base,cons,easy,nonn
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AUTHOR
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Andre Neumann Kauffman (andrekff(AT)hotmail.com), Aug 13 2002
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