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A115436 Numbers k such that the concatenation of k with k-9 gives a square. 11
50, 5234, 9410, 638370, 994010, 12477933, 41829698, 99940010, 1087279650, 4492494893, 6226356365, 7765453730, 9999400010, 806057802450, 842377434050, 960398039610, 999994000010, 21338126513658, 24752544267698 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
638370_638361 = 798981^2.
CROSSREFS
Sequence in context: A231937 A230477 A320099 * A184555 A301992 A229753
KEYWORD
base,nonn
AUTHOR
Giovanni Resta, Jan 25 2006
STATUS
approved

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Last modified March 29 04:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)