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 A137464 Concatenation of n and a list of the divisors of n. 1
 11, 212, 313, 4124, 515, 61236, 717, 81248, 9139, 1012510, 11111, 121234612, 13113, 1412714, 1513515, 16124816, 17117, 181236918, 19119, 2012451020, 2113721, 22121122, 23123, 241234681224, 251525, 26121326, 2713927, 2812471428, 29129 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS EXAMPLE a(12), divisors of 12 are 1,2,3,4,6,12, so a(12) = 121234612 MAPLE cat2 := proc(a, b) a*10^max(ilog10(b)+1, 1)+b ; end: A137464 := proc(n) local a, d; a := n ; for d in sort(convert(numtheory[divisors](n), list)) do a := cat2(a, d) ; od: RETURN(a) ; end: seq(A137464(n), n=1..50) ; # R. J. Mathar, Apr 25 2008 CROSSREFS Sequence in context: A088061 A070220 A134069 * A187650 A214687 A160074 Adjacent sequences:  A137461 A137462 A137463 * A137465 A137466 A137467 KEYWORD easy,nonn,base,less AUTHOR Ctibor O. Zizka, Apr 19 2008 EXTENSIONS Definition corrected by Omar E. Pol, Apr 21 2008 More terms from R. J. Mathar, Apr 25 2008 STATUS approved

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Last modified March 22 04:32 EDT 2019. Contains 321406 sequences. (Running on oeis4.)