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 A116095 Numbers k such that k concatenated with k-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 k-9 and k-8 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 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: A319008 A020398 A115435 * A347040 A252547 A211601 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 August 15 05:59 EDT 2024. Contains 375172 sequences. (Running on oeis4.)