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A115444 Numbers whose square is the concatenation of two numbers k and k-5. 11
46, 55, 949951, 979654, 7771781679, 7900890080, 9920892100, 9949999501, 38773083432317, 41534158410842, 47433813119408, 52566186880593, 58465841589159, 61226916567684, 72258945037435, 86156896546725 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
902406_902401 = 949951^2.
CROSSREFS
Sequence in context: A043957 A363762 A336098 * A119385 A330243 A326646
KEYWORD
base,nonn
AUTHOR
Giovanni Resta, Jan 25 2006
STATUS
approved

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Last modified June 8 13:51 EDT 2024. Contains 373217 sequences. (Running on oeis4.)