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A090275
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Beginning with 2, a(n+1) is the smallest palindromic prime obtained by placing identical digits on both sides of a(n).
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1
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2, 727, 37273, 333727333, 93337273339, 779333727333977, 3377933372733397733, 9993377933372733397733999, 111111199933779333727333977339991111111, 31111111999337793337273339773399911111113
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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COMMENTS
| The next term is probably 777777333111111199933779333727333977339991111111333777777. - Sam Alexander (amnalexander(AT)yahoo.com), Jan 06 2005
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CROSSREFS
| Cf. A090276.
Sequence in context: A174368 A082621 A053600 * A090565 A072384 A109949
Adjacent sequences: A090272 A090273 A090274 * A090276 A090277 A090278
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KEYWORD
| base,nonn
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AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 28 2003
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EXTENSIONS
| More terms from Sam Alexander (amnalexander(AT)yahoo.com), Jan 06 2005
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