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Search: id:A088249
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| A088249 |
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Smallest palindromic prime beginning with the n-th prime, or 0 if no such prime exists. |
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+0
1
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| 2, 3, 5, 7, 11, 131, 17471, 191, 0, 0, 313, 373, 0, 0, 0, 0, 0, 0, 0, 71317, 73037, 797, 0, 0, 97379, 101, 10301, 1074701, 1092901, 11311, 12721, 131, 1371731, 13931, 1490941, 151, 1572751, 16361, 1670761, 1730371, 17971, 181, 191, 19391, 1970791, 19991
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Conjecture: a(n) = 0 iff prime(n) has Most Significant digit one among (2,4,5,6,8).
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EXAMPLE
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a(7) = 17471, prime(7) = 17. a(9) = 0, prime(9) = 23 and no such prime exists.
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CROSSREFS
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Sequence in context: A070028 A084836 A062351 this_sequence A067906 A029980 A046481
Adjacent sequences: A088246 A088247 A088248 this_sequence A088250 A088251 A088252
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KEYWORD
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base,easy,nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Sep 26 2003
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EXTENSIONS
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More terms from Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 07 2006
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