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Search: id:A072299
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| A072299 |
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Reverse(n) is a prime factor of n. |
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+0
1
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| 2, 3, 5, 7, 11, 20, 30, 50, 70, 101, 110, 131, 151, 181, 191, 200, 300, 313, 353, 373, 383, 500, 700, 727, 757, 787, 797, 919, 929, 1010, 1100, 1310, 1510, 1810, 1910, 2000, 3000, 3130, 3530, 3730, 3830, 5000, 7000, 7270, 7570, 7870, 7970, 9190, 9290
(list; graph; listen)
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OFFSET
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0,1
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EXAMPLE
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Reverse(110) = 11 is a prime factor of 110, so 110 is a term of the sequence.
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MATHEMATICA
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r = {}; Do[m = FromDigits[Reverse[IntegerDigits[n]]]; If[PrimeQ[m] && Mod[n, m] == 0, r = Append[r, n]], {n, 1, 10^4}]; r
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CROSSREFS
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Sequence in context: A084736 A089472 A079429 this_sequence A038204 A075049 A061165
Adjacent sequences: A072296 A072297 A072298 this_sequence A072300 A072301 A072302
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KEYWORD
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base,nonn
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AUTHOR
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Joseph L. Pe (joseph_l_pe(AT)hotmail.com), Jul 14 2002
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