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Search: id:A072017
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A072017 GCD[n,Rev[n]] = 81 = 3^4, where Rev[x] = A004086[x]. +0
1
2899999989, 2989999899, 2999889999, 3799999899, 3898989999, 3899799999, 3899999988, 3979989999, 3988899999, 3989999898, 3989999979, 3998999889, 3999889998, 3999898989, 3999899799, 3999979989, 3999988899, 4699998999 (list; graph; listen)
OFFSET

1,1

EXAMPLE

m=3.3.3.3.3.449.64157 and Rev[m]=2.2.3.3.3.3.31.67.14827, GCD=81. Numerous solutions can be constructed if intercalating string of suitable digits between digits of A071016.

CROSSREFS

Cf. A004086, A055483, A069554, A071686, A072005, A072016, A072018.

Sequence in context: A064163 A022230 A034648 this_sequence A116577 A067615 A015397

Adjacent sequences: A072014 A072015 A072016 this_sequence A072018 A072019 A072020

KEYWORD

nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu), Jun 05 2002

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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