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A116095 Numbers n such that n concatenated with n-9 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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

If n-9 and n-8 have the same number of decimal digits, and the n is in A115435, it also is in this sequence (and vice versa). [From R. J. Mathar, Aug 09 2010]

LINKS

Table of n, a(n) for n=1..20.

EXAMPLE

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

concatenation.

CROSSREFS

Cf. A116094, A116096, A116102, A116226.

Sequence in context: A233216 A020398 A115435 * A211601 A199745 A200145

Adjacent sequences:  A116092 A116093 A116094 * A116096 A116097 A116098

KEYWORD

nonn,base

AUTHOR

Giovanni Resta, Feb 06 2006

STATUS

approved

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Last modified September 3 03:19 EDT 2014. Contains 246369 sequences.