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A083142
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Palindromes which can not be expressed as the difference of two palindromes.
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0
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919, 9119, 90109, 91019, 91119, 91219, 91319, 91419, 91519, 91619, 91719, 91819, 91919, 92129, 93139, 94149, 95159, 96169, 97179, 98189, 99199, 901109, 910019, 911119, 912219, 913319, 914419, 915519, 916619, 917719, 918819, 919919, 921129
(list; graph; refs; listen; history; internal format)
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