A116216 - OEIS

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A116216

Numbers k such that k concatenated with k+8 gives the product of two numbers which differ by 9.

4

122, 424, 694, 778, 878, 11012, 17872, 33322, 44644, 100127651905364, 102071005406644, 107985753493528, 110694523108262, 115328750502614, 120698923758154, 126650002778762, 137336087431654, 147311014912628

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..18.

EXAMPLE

44644//44652 = 66812 * 66821, where // denotes concatenation.

CROSSREFS

Cf. A116211, A116215, A116224, A116347.

Sequence in context: A224598 A070955 A195856 * A203805 A275270 A031700

Adjacent sequences: A116213 A116214 A116215 * A116217 A116218 A116219

KEYWORD

nonn,base

AUTHOR

Giovanni Resta, Feb 06 2006

STATUS

approved