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A127892 Largest n-digit left-truncatable prime. 2
7, 97, 997, 9967, 99643, 998443, 9986113, 99979337, 999962683, 9987983617, 99978397283, 999631686353, 9997564326947, 99769267986197, 999769267986197, 9957969395462467, 99957969395462467, 992429121339693967 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Ends at a(24) = 357686312646216567629137.

REFERENCES

Angell, I. O. and Godwin, H. J. "On Truncatable Primes." Math. Comput. 31, 265-267, 1977.

LINKS

Ray Chandler, Table of n, a(n) for n=1..24

Index entries for sequences related to truncatable primes

CROSSREFS

Cf. A024785, A050987, A127891.

Sequence in context: A146758 A114019 A178007 * A125590 A068694 A158579

Adjacent sequences:  A127889 A127890 A127891 * A127893 A127894 A127895

KEYWORD

base,nonn,fini

AUTHOR

Ray Chandler (rayjchandler(AT)sbcglobal.net), Feb 04 2007

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Last modified February 17 19:13 EST 2012. Contains 206085 sequences.