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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

Table of n, a(n) for n=0..47.

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

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Last modified February 22 15:52 EST 2019. Contains 320399 sequences. (Running on oeis4.)