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A109864
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Least palindromic prime beginning with n, or 0 if no such prime exists.
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2
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11, 2, 3, 0, 5, 0, 7, 0, 919, 101, 11, 12421, 131, 14341, 151, 16061, 17471, 181, 191, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 30103, 313, 32323, 33533, 34543, 353, 36263, 373, 383, 39293, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| Conjecture: a(n) = 0 if and only if n > 3 and n begins with 2,4,6,8 or 5 (most significant digit).
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CROSSREFS
| Sequence in context: A040118 A099268 A070277 * A099756 A088277 A089744
Adjacent sequences: A109861 A109862 A109863 * A109865 A109866 A109867
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KEYWORD
| base,nonn
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AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jul 08 2005
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EXTENSIONS
| Corrected and extended by Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 07 2006
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