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A116257
n times n+8 gives the concatenation of two numbers m and m-5.
6
7, 8217106, 8030443878983905980, 43467818511541680701794365325328847002050, 56532181488458319298205634674671152997943
OFFSET
1,1
EXAMPLE
8217106 * 8217114 = 6752089//6752084, where // denotes
concatenation.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Giovanni Resta, Feb 06 2006
STATUS
approved