

A116095


Numbers k such that k concatenated with k9 gives the product of two numbers which differ by 2.


4



2137, 2892, 6369, 12217, 21964, 28233, 42312, 4978977, 9571608, 18642249, 32288908, 96039609, 200037461217, 305526508312, 570666416233, 638912248204, 996003996009, 1846991026584, 3251664327537, 4859838227992
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OFFSET

1,1


COMMENTS

If k9 and k8 have the same number of decimal digits, and k is in A115435, it also is in this sequence (and vice versa).  R. J. Mathar, Aug 09 2010


LINKS



EXAMPLE

96039609//96039600 = 97999800 * 97999802, where // denotes
concatenation.


CROSSREFS



KEYWORD

nonn,base


AUTHOR



STATUS

approved



