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A116306 n times n+9 gives the concatenation of two numbers m and m+2. 4
3349727, 3922992, 6077000, 6650265, 4076746044440402197, 5923253955559597795, 7713109680804038561, 33652275100997044455421, 66347724899002955544571, 74261393963751156983420 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
6650265 * 6650274 = 4422608//4422610, where // denotes
concatenation.
CROSSREFS
Sequence in context: A206511 A238153 A083635 * A257917 A257916 A015408
KEYWORD
nonn,base
AUTHOR
Giovanni Resta, Feb 06 2006
STATUS
approved

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Last modified June 19 20:39 EDT 2024. Contains 373507 sequences. (Running on oeis4.)