cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A167517 Emirps (A007500) which are concatenation of three consecutive primes (A030469).

Original entry on oeis.org

353359367, 193319491951, 334733593361, 344934573461, 346734693491, 732173317333, 902990419043, 104591046310477, 133091331313327, 141591417314177, 146571466914683, 150131501715031, 154431545115461
Offset: 1

Views

Author

Jonathan vos Post and M. F. Hasler, Nov 10 2009

Keywords

Comments

A subsequence of A007500, A030469, A132903.

Programs

  • PARI
    for(i=1,9999, isprime(eval(p=Str(prime(i),prime(i+1),prime(i+2)))) & isprime(eval(concat(vecextract(Vec(p),"-1..1"))))& print1(p,", "))

Formula

A167517 = A007500 n A030469 = A007500 n A132903 (where "n" means intersection).