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 A160925 a(n)= n - reversal(n+1) 0
 -1, -1, -1, -1, -1, -1, -1, -1, 8, -1, -10, -19, -28, -37, -46, -55, -64, -73, 17, 8, -1, -10, -19, -28, -37, -46, -55, -64, 26, 17, 8, -1, -10, -19, -28, -37, -46, -55, 35, 26, 17, 8, -1, -10, -19, -28, -37, -46, 44, 35, 26, 17, 8, -1, -10, -19, -28, -37, 53, 44, 35 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,9 COMMENTS a(8)=8-R(9)=8-9=-1; a(15)=15-R(16)=15-61=-46; a(27)=27-R(28)=27-82=-55 LINKS Table of n, a(n) for n=1..61. MATHEMATICA #[[1]]-FromDigits[Reverse[IntegerDigits[#[[2]]]]]&/@Partition[Range[70], 2, 1] (* Harvey P. Dale, Apr 22 2013 *) CROSSREFS Sequence in context: A217430 A106627 A302152 * A345059 A348973 A099614 Adjacent sequences: A160922 A160923 A160924 * A160926 A160927 A160928 KEYWORD base,sign AUTHOR Claudio Meller, May 30 2009 STATUS approved

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Last modified February 26 06:43 EST 2024. Contains 370335 sequences. (Running on oeis4.)