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Search: id:A111270
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| 1, 3, 10, 57, 97, 103, 113, 180, 305, 761, 893, 1047, 1069, 1177, 1214, 1425, 1473, 1481, 1700, 2079, 2543, 2767, 2901, 3027, 3331, 3849, 4239, 5199, 5425, 7407, 8079, 10967, 11541, 15012, 16335, 17248, 24969, 25157, 30383, 34055, 38147, 38861
(list; graph; listen)
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OFFSET
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1,2
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PROGRAM
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(PARI) x = 1; s = 0; S = Set([]); i = 1; while (1, s += prime(i); d = divisors(s); j = 1; while (setsearch(S, d[j]), j++); n = d[j]; S = setunion(S, Set(n)); if (n == x, print(i); while(setsearch(S, x), x++)); i++); [From David Wasserman (dwasserm(AT)earthlink.net), Jan 07 2009]
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CROSSREFS
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A111271 [From David Wasserman (dwasserm(AT)earthlink.net), Jan 07 2009]
Sequence in context: A013009 A002218 A107871 this_sequence A112101 A159321 A158873
Adjacent sequences: A111267 A111268 A111269 this_sequence A111271 A111272 A111273
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Nov 03 2005
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EXTENSIONS
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More terms from David Wasserman (dwasserm(AT)earthlink.net), Jan 07 2009
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