This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A085946 a(1) = 1, a(2) = 2 and a(n) = smallest number not included earlier that divides the concatenation a(n-2), a(n-1). 1
 1, 2, 3, 23, 17, 7, 59, 11, 257, 11257, 13, 1125713, 43708571, 19, 9, 199, 9199, 43, 487, 43487, 39, 228881, 811, 1973, 41, 197341, 51, 379, 191, 126397, 21, 731, 31, 57, 77, 53, 7753, 79, 70489, 346543, 121, 346543121, 47, 37, 1579, 101, 526367, 5343493 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS 2 is the only even member. No member is divisible by 5. - David Wasserman, Feb 14 2005 LINKS EXAMPLE 3,23,17 are three successive terms and 17 divides 323. similarly 7 divides 2317 etc. CROSSREFS Sequence in context: A114007 A282795 A071819 * A280894 A042585 A143279 Adjacent sequences:  A085943 A085944 A085945 * A085947 A085948 A085949 KEYWORD base,nonn AUTHOR Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), Jul 14 2003 EXTENSIONS More terms from David Wasserman, Feb 14 2005 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 February 22 15:52 EST 2019. Contains 320399 sequences. (Running on oeis4.)