A116216 Numbers k such that k concatenated with k+8 gives the product of two numbers which differ by 9.

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

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