|
| |
|
|
A127891
|
|
Smallest n-digit left-truncatable prime.
|
|
3
| |
|
|
2, 13, 113, 1223, 12113, 121283, 1237547, 12184967, 124536947, 1219861613, 12181833347, 121339693967, 1213536676883, 12673876537547, 121848768729173, 1275463876537547, 12429121339693967, 165678739293946997
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
COMMENTS
| Ends at a(24) = 357686312646216567629137.
Agrees with A088604 for 24 terms, but this sequence ends there while A088604 continues.
|
|
|
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, A088604, A127892.
Sequence in context: A046813 A096497 A088604 * A110369 A000180 A192460
Adjacent sequences: A127888 A127889 A127890 * A127892 A127893 A127894
|
|
|
KEYWORD
| base,nonn,fini
|
|
|
AUTHOR
| Ray Chandler (rayjchandler(AT)sbcglobal.net), Feb 04 2007
|
| |
|
|