The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A337614 Lexicographically earliest sequence of distinct positive integers such that the concatenation of any three successive digits forms a prime. 3
 1, 2, 7, 19, 3, 73, 9, 71, 91, 13, 11, 31, 37, 33, 17, 39, 77, 331, 79, 719, 97, 191, 93, 733, 113, 131, 137, 337, 397, 193, 739, 773, 311, 313, 139, 7191, 99, 197, 199, 1131, 317, 971, 911, 373, 379, 7193, 797, 1911, 3113, 173, 977, 3311, 3131, 1311, 3137, 3313, 179, 7197, 1919, 919, 1137 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Jean-Marc Falcoz, Table of n, a(n) for n = 1..1500 EXAMPLE The first terms 1, 2, 7, 19, 3, 73, 9, ... form (when 3 successive digits are concatenated) the prime numbers 127, 271, 719, 193, 937, 373, 739, ... CROSSREFS Cf. A337613 (same idea, 2 successive digits), A334050 (4 digits). Sequence in context: A340738 A368593 A218684 * A343908 A100408 A259370 Adjacent sequences: A337611 A337612 A337613 * A337615 A337616 A337617 KEYWORD base,nonn AUTHOR Eric Angelini and Jean-Marc Falcoz, Sep 05 2020 STATUS approved

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

Last modified August 3 21:27 EDT 2024. Contains 374905 sequences. (Running on oeis4.)