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A087746 Least number expressible as a sum of two primes in exactly n ways. +0
1
5, 10, 22, 34, 48, 60, 78, 84, 90, 114, 144, 120, 168, 180, 234, 246, 288, 240, 210, 324, 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 (list; graph; listen)
OFFSET

1,1

COMMENT

a(n) = A001172(n) for n > 1. - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 18 2004

LINKS

Index entries for sequences related to Goldbach conjecture

CROSSREFS

Adjacent sequences: A087743 A087744 A087745 this_sequence A087747 A087748 A087749

Sequence in context: A002800 A132174 A132461 this_sequence A064694 A067622 A098112

Cf. A023036. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 11 2008]

KEYWORD

nonn

AUTHOR

Lekraj Beedassy (blekraj(AT)yahoo.com), Oct 02 2003

EXTENSIONS

More terms from Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 18 2004

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.


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