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A065323
58 'Reverse and Add' steps are needed to reach a palindrome.
9
147996, 148896, 149796, 157986, 158886, 159786, 167976, 168876, 169776, 177966, 178866, 179766, 187956, 188856, 189756, 190296, 191196, 192096, 197946, 198846, 199746, 247995, 248895, 249795, 257985, 258885, 259785, 267975, 268875, 269775
OFFSET
0,1
COMMENTS
The number of steps starts at 0, so palindromes (cf. A002113) are excluded. 58 is a record (cf. A065199) of the number of 'Reverse and Add' steps needed to reach a palindrome.
MATHEMATICA
Select[Range[270000], Position[NestList[#+IntegerReverse[#]&, #, 58], _?PalindromeQ] == {{59}}&] (* Harvey P. Dale, May 05 2018 *)
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Klaus Brockhaus, Oct 30 2001
STATUS
approved