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A138856
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Numbers such that all subsets of {prime(a(1)),...,prime(a(n))} have a different sum.
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2
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1, 2, 4, 5, 10, 16, 28, 47, 83, 147, 267, 481, 882, 1621, 2997, 5578, 10428, 19560, 36849, 69649, 131983, 250841, 477992, 912662, 1746404, 3347928, 6429526, 12366247, 23820901, 45947255
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OFFSET
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1,2
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COMMENTS
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LINKS
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FORMULA
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PROG
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(PARI) {s=1; p=0; for( n=1, 20, until( !bitand( s, s>>prime(p++) ), ); s+=s<<prime(p); print1( p, ", "))}
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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