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Search: id:A101947
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(list; graph; listen)
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OFFSET
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1,2
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PROGRAM
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(PARI) bet2n4n(n) = { local(c, c1, x, y); a=vector(5001); for(x=1, n, c=0; forprime(y=2*x+1, 4*x-1, c++; ); a[x] = c; ); b=vecsort(a); for(x=1, 5000, if(b[x]>0, if(b[x]<>b[x+1], print1(b[x]", ") ) ); ) }
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CROSSREFS
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Cf. A101909, A101983- A101985.
Sequence in context: A031297 A085516 A020753 this_sequence A051882 A136002 A043096
Adjacent sequences: A101944 A101945 A101946 this_sequence A101948 A101949 A101950
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KEYWORD
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easy,nonn
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AUTHOR
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Cino Hilliard (hillcino368(AT)gmail.com), Jan 28 2005
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