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A116351 Numbers k such that k*(k+5) gives the concatenation of two numbers m and m+9. 4
8446, 8811, 69125298546226023972, 69855225553525294045, 74604750601020544520, 75334677608319814593, 92496418993920707747, 93226346001219977820, 97975871048715228295, 98705798056014498368 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
8811 * 8816 = 7767//7776, where // denotes concatenation.
CROSSREFS
Sequence in context: A023321 A116258 A116311 * A253147 A046336 A046384
KEYWORD
nonn,base
AUTHOR
Giovanni Resta, Feb 06 2006
STATUS
approved

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Last modified May 26 16:43 EDT 2024. Contains 372840 sequences. (Running on oeis4.)