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Search: id:A127892
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| A127892 |
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Largest n-digit left-truncatable prime. |
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+0
2
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| 7, 97, 997, 9967, 99643, 998443, 9986113, 99979337, 999962683, 9987983617, 99978397283, 999631686353, 9997564326947, 99769267986197, 999769267986197, 9957969395462467, 99957969395462467, 992429121339693967
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Ends at a(24) = 357686312646216567629137.
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REFERENCES
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Angell, I. O. and Godwin, H. J. "On Truncatable Primes." Math. Comput. 31, 265-267, 1977.
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LINKS
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Ray Chandler, Table of n, a(n) for n=1..24
Index entries for sequences related to truncatable primes
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CROSSREFS
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Cf. A024785, A050987, A127891.
Sequence in context: A007810 A146758 A114019 this_sequence A125590 A068694 A158579
Adjacent sequences: A127889 A127890 A127891 this_sequence A127893 A127894 A127895
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KEYWORD
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base,nonn,fini
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AUTHOR
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Ray Chandler (rayjchandler(AT)sbcglobal.net), Feb 04 2007
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