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A116248 n times n+4 gives the concatenation of two numbers m and m-6. 5
7310, 8989, 32522, 67475, 76566, 4891728, 5108269, 8528092, 71588334, 98999899, 399659933005, 600340066992, 723627738225, 877712329766, 998999998999, 3485626998112, 3787100274612, 6212899725385, 6514373001885 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

98999899 * 98999903 = 98009803//98009797, where // denotes

concatenation.

CROSSREFS

Cf. A116117, A116235, A116247, A116249, A116254.

Sequence in context: A152502 A031799 A206080 * A140078 A202167 A117799

Adjacent sequences:  A116245 A116246 A116247 * A116249 A116250 A116251

KEYWORD

nonn,base

AUTHOR

Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 06 2006

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Last modified February 15 14:37 EST 2012. Contains 205822 sequences.