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A015977 Two iterations of Reverse and Add are needed to reach a palindrome. +0
2
5, 6, 7, 8, 9, 19, 28, 37, 39, 46, 48, 49, 55, 57, 58, 64, 66, 67, 73, 75, 76, 82, 84, 85, 91, 93, 94, 109, 119, 129, 139, 149, 150, 151, 152, 153, 154, 159, 160, 161, 162, 163, 169, 170, 171, 172, 173, 179, 189, 208, 218, 219, 228, 229, 238, 239, 248 (list; graph; listen)
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Last modified December 20 13:54 EST 2009. Contains 171081 sequences.


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