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A082945
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Numbers n which in decimal have the form imj, where m is the middle digit, with property that j is the reversal of i, and i = m*j.
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2
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111, 212, 313, 414, 515, 616, 717, 818, 919, 11111, 22122, 33133, 44144, 55155, 66166, 77177, 88188, 99199, 1011101, 1111111, 1211121, 1311131, 1411141, 1511151, 1611161, 1711171, 1811181, 1911191, 2021202, 2121212, 2221222, 2321232, 2421242
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OFFSET
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1,1
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COMMENTS
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The number i should not end in 0, and m should not equal 0.
Either i and j are identical palindromes and m is 1, or i is in A031877, j is the corresponding term in A008919, and m is either 4 or 9. - Charlie Neder, Mar 08 2019
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LINKS
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EXAMPLE
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rev(8712) = 2178 and 8712 = 2178*4, so 871242178 is in this sequence. - Charlie Neder, Mar 08 2019
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 07 2003
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EXTENSIONS
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Edited by N. J. A. Sloane, Oct 25 2009, following discussions on the Sequence Fans Mailing List, circa Apr 17 2009
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STATUS
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approved
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