A052025 Every prefix (or suffix) of palindromic prime a(n) is prime (right/left-truncatable).

2, 3, 5, 7, 313, 373, 797

Offset

1,1

Links

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

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

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

Index entries for sequences related to truncatable primes

Crossrefs

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

Sequence in context: A180015 A052024 A052023 * A359491 A045336 A083183

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