This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A232104 Primes p with same last three digits as k, where prime(k) = p. 3
 12491, 14723, 39119, 42437, 63347, 69931, 79817, 99551, 129083, 135637, 147647, 165103, 183637, 190181, 208697, 228281, 258743, 263071, 271787, 284833, 296753, 297833, 302173, 304349, 314129, 340201, 341287, 344543, 351059, 357563, 391163 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Robert Israel, Table of n, a(n) for n = 1..5839 FORMULA a(n) = prime(A067841(n)). EXAMPLE 1723, and prime(1723)= 14723, both end with 723. MAPLE P:= select(isprime, [2, seq(i, i=3..10^6, 2)]): P[select(t -> P[t]-t mod 1000 = 0, [seq(i, i=3..nops(P), 2)])]; # Robert Israel, Oct 03 2017 MATHEMATICA Select[Prime[Range[34000]], Mod[#, 1000]==Mod[PrimePi[#], 1000]&] (* Harvey P. Dale, Dec 30 2017 *) PROG (PARI) cutdigit(a, p, q)=(a%10^q)\10^(p-1) {for(n=1, 40000, p=prime(n); if(cutdigit(p, 1, 3)==cutdigit(n, 1, 3), print(p)))} CROSSREFS Cf. A085598, A067841, A232102. Sequence in context: A206664 A033669 A203345 * A122726 A072891 A003416 Adjacent sequences:  A232101 A232102 A232103 * A232105 A232106 A232107 KEYWORD nonn,base AUTHOR Antonio Roldán, Nov 18 2013 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 | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified January 21 13:38 EST 2018. Contains 297994 sequences.