This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A052023 Every suffix of palindromic prime a(n), containing no '0' digit, is prime (left-truncatable palindromic primes). 12
 2, 3, 5, 7, 313, 353, 373, 383, 797, 76367, 79397, 7693967, 799636997 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS 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 MATHEMATICA d[n_]:=IntegerDigits[n]; ltrQ[n_]:=And@@PrimeQ[NestList[FromDigits[Drop[d[#], 1]]&, n, Length[d[n]]-1]]; palQ[n_]:=Reverse[x=d[n]]==x; Select[Prime[Range[540000]], palQ[#]&<rQ[#]&] (* Jayanta Basu, Jun 02 2013 *) CROSSREFS Cf. A033664, A024785, A032437, A020994, A024770, A052024, A052025, A050986, A050987. Sequence in context: A088297 A180015 A052024 * A052025 A045336 A083183 Adjacent sequences:  A052020 A052021 A052022 * A052024 A052025 A052026 KEYWORD nonn,base,fini,full AUTHOR G. L. Honaker, Jr. and Patrick De Geest, Nov 15 1999 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified October 18 12:18 EDT 2019. Contains 328160 sequences. (Running on oeis4.)