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Search: id:A076772
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| A076772 |
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Even numbers n representable as the sum of 2 coprime odd composites. |
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+0
1
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| 34, 44, 46, 52, 58, 62, 64, 68, 74, 76, 82, 86, 88, 92, 94, 98, 100, 102, 104, 106, 112, 114, 116, 118, 122, 124, 128, 130, 134, 136, 142, 144, 146, 148, 152, 154, 156, 158, 160, 162, 164, 166, 168, 170, 172, 174, 176, 178, 182, 184, 186, 188, 190, 192, 194
(list; graph; listen)
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OFFSET
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0,1
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COMMENT
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As the comment in A096076 indicates, 210 is the largest even number not in this sequence. - Frank Adams-Watters (FrankTAW(AT)Netscape.net), Sep 07 2006
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EXAMPLE
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34=25+9
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PROGRAM
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(PARI) v=vector(5000); vc=1; forstep (n=9, 300, 2, if (isprime(n), continue, forstep (j=9, 300, 2, if (gcd(n, j)==1, if (isprime(j), continue, x=n+j; fl=true; for (i=1, vc, if (v[i]==x, fl=false; break)); if (fl==true, v[vc]=x; vc++)))))); print(vc); v=vecsort(vecextract(v, concat("1..", vc-1)))
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CROSSREFS
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Cf. A096076.
Sequence in context: A039417 A043240 A044020 this_sequence A063470 A089715 A074757
Adjacent sequences: A076769 A076770 A076771 this_sequence A076773 A076774 A076775
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KEYWORD
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nonn
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AUTHOR
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Jon Perry (perry(AT)globalnet.co.uk), Nov 14 2002
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