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A087747
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Least number expressible as a sum of two distinct primes in exactly n ways.
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0
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5, 16, 24, 36, 48, 60, 78, 84, 90, 114, 144, 120, 168, 180, 234, 246, 288, 300, 360, 474, 330, 528, 576, 390, 462, 480, 420, 570, 510, 672, 792, 756, 876, 714, 798, 690, 1038, 630, 1008, 930, 780, 960, 870, 924, 900, 1134, 1434, 840, 990, 1302, 1080, 1230, 1518
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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EXAMPLE
| a(2)=16 because we have 16=3+13=5+11,followed by 18=5+13=7+11;20=3+17=7+13;24=5+19=11+13;26=3+23=7+19;...
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CROSSREFS
| Sequence in context: A029450 A063232 A063243 * A090785 A069482 A102045
Adjacent sequences: A087744 A087745 A087746 * A087748 A087749 A087750
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KEYWORD
| nonn
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AUTHOR
| Lekraj Beedassy (blekraj(AT)yahoo.com), Oct 02 2003
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EXTENSIONS
| More terms from John Dethridge (jcd(AT)ms.unimelb.edu.au), Jan 08 2004
More terms from Hugo Pfoertner (hugo(AT)pfoertner.org), Sep 23 2004
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