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Search: id:A046853
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| A046853 |
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Denominator of sum of reciprocals of first n palindromic primes. |
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+0
2
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| 2, 6, 30, 210, 2310, 233310, 30563610, 4615105110, 835334024910, 159548798757810, 49938774011194530, 17628387225951669090, 6575388435279972570570, 2518373770712229494528310
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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1/2 + 1/3 + 1/5 + 1/7 + 1/11 + 1/101 + ... gives 1/2, 5/6, 31/30, 247/210, ...
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CROSSREFS
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Cf. A046852, A002385.
Adjacent sequences: A046850 A046851 A046852 this_sequence A046854 A046855 A046856
Sequence in context: A118491 A088257 A058694 this_sequence A071290 A093449 A083002
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KEYWORD
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nonn,base,easy
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AUTHOR
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G. L. Honaker, Jr. (honak3r(AT)bvunet.net)
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EXTENSIONS
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More terms from Erich Friedman (efriedma(AT)stetson.edu), Jun 03 2001
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