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A052025 Every prefix (or suffix) of palindromic prime a(n) is prime (right/left-truncatable). 18
2, 3, 5, 7, 313, 373, 797 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

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

LINKS

Table of n, a(n) for n=1..7.

Index entries for sequences related to truncatable primes

C. K. Caldwell, Left and Right truncatable primes.

P. De Geest, The list of 4260 left-truncatable primes

Eric Weisstein's World of Mathematics, Prime strings

CROSSREFS

Cf. A033664, A024785, A032437, A020994, A024770, A052023, A052024, A050986, A050987.

Sequence in context: A180015 A052024 A052023 * A045336 A083183 A046477

Adjacent sequences:  A052022 A052023 A052024 * A052026 A052027 A052028

KEYWORD

nonn,base,fini,full

AUTHOR

G. L. Honaker, Jr. and Patrick De Geest, Nov 15 1999.

STATUS

approved

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Last modified September 24 04:27 EDT 2017. Contains 292403 sequences.