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1, 5, 4, 33, 2468, 25, 176366, 1697, 13842, 1379, 11223344464, 13093, 949667608470093, 9707938, 8318740876, 8486944572, 7262164064771301847951, 87284065, 64977257421637963902716694, 689555658595, 5932429101505580572
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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LINKS
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PROG
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(PARI) {for(n=1, 21, k=floor(log(n)/log(10))+1; v=Str(); for(i=1, n, if(gcd(n, i)==1, v=concat(v, Str(i)))); s=eval(v); t=s+1; m=floor(log(s)/log(10))+1; d=k-m; s=s*10^d; t=t*10^d; b=1; while(b>0, q=floor(s/n); while(b>0&&(p=q*n)<t, if(p>=s, print1(q, ", "); b=0, q++)); s=10*s; t=10*t))}
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CROSSREFS
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KEYWORD
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base,nonn
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AUTHOR
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STATUS
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approved
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