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A116302
Numbers k such that k*(k+3) gives the concatenation of two numbers m and m+2.
5
27, 71, 79822844, 69852478553064869297984899963806, 77473062193002372448027740546438, 77747359197583788609974143907618, 84341826458653210947638195982114, 85367942837521291760016984490250
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
Table of n, a(n) for n=1..8.
EXAMPLE
79822844 * 79822847 = 63716866//63716868, where // denotes concatenation.
CROSSREFS
Cf. A116171, A116296, A116301, A116303, A116309.
Sequence in context: A116353 A224525 A219130 * A181976 A039414 A043237
Adjacent sequences: A116299 A116300 A116301 * A116303 A116304 A116305
KEYWORD
nonn,base
AUTHOR
Giovanni Resta, Feb 06 2006
STATUS
approved

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Last modified October 5 22:16 EDT 2024. Contains 376567 sequences.
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