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A116318
n times n+6 gives the concatenation of two numbers m and m+4.
5
32, 63, 45211540, 54788455, 78317867, 72388446037855609175404257, 73247326752475247326752672, 75267524732673267524732472, 76126405447292905676080887, 42053270820132695893502981749303
OFFSET
1,1
EXAMPLE
78317867 * 78317873 = 61336887//61336891, where // denotes
concatenation.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Giovanni Resta, Feb 06 2006
STATUS
approved