The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A163558 Composite numbers such that exactly six distinct permutations of digits give primes. 3
 1036, 1096, 1099, 1136, 1235, 1238, 1253, 1267, 1276, 1294, 1306, 1316, 1325, 1328, 1352, 1358, 1360, 1378, 1382, 1385, 1387, 1492, 1532, 1538, 1603, 1630, 1631, 1672, 1678, 1687, 1690, 1726, 1738, 1762, 1768, 1786, 1832, 1835, 1837, 1853, 1876, 1906 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS EXAMPLE a(1) = 1036 because 1036 is composite, the six permutations 163, 613, 631, 1063, 3061, and 6301 are all prime, and no other permutation of 1036 is prime. CROSSREFS Sequence in context: A175692 A023087 A219445 * A025412 A025409 A043388 Adjacent sequences:  A163555 A163556 A163557 * A163559 A163560 A163561 KEYWORD easy,nonn,base AUTHOR Gil Broussard, Jul 30 2009 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 May 13 02:36 EDT 2021. Contains 343836 sequences. (Running on oeis4.)