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A116349 Numbers k such that k*(k+3) gives the concatenation of two numbers m and m+9. 4
32, 66, 42755, 57243, 75425, 425074, 574924, 979530, 4301395, 5698603, 7028668, 4925000749, 5074999249, 7748266576, 8511881486, 8814851186, 7059602159674, 7106167933830, 7439286611623, 7485852385779, 46791112884927 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
CROSSREFS
Sequence in context: A275187 A045048 A132773 * A244341 A234882 A043155
KEYWORD
nonn,base
AUTHOR
Giovanni Resta, Feb 06 2006
STATUS
approved

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Last modified March 19 04:58 EDT 2024. Contains 370952 sequences. (Running on oeis4.)