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A071589
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Numbers n such that Reversal(n) > n.
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4
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12, 13, 14, 15, 16, 17, 18, 19, 23, 24, 25, 26, 27, 28, 29, 34, 35, 36, 37, 38, 39, 45, 46, 47, 48, 49, 56, 57, 58, 59, 67, 68, 69, 78, 79, 89, 102, 103, 104, 105, 106, 107, 108, 109, 112, 113, 114, 115, 116, 117, 118, 119, 122, 123, 124, 125, 126, 127, 128, 129
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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Select[Range[200], # < FromDigits[Reverse[IntegerDigits[#]]] &] (* T. D. Noe, Mar 14 2012 *)
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PROG
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(PARI) for(i=2, 300, n=(i); s=ceil(log(n)/log(10)); if((sum(i=0, s, 10^(s-i-1)*(floor(n/10^i*1.)-10*floor(n/10^(i+1)*1.))))>i, print1((i), ", ")))
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CROSSREFS
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KEYWORD
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base,easy,nonn
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AUTHOR
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STATUS
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approved
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