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Search: id:A086918
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| A086918 |
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Numbers with at least three digits such that the absolute difference of digits of successive terms form palindromes. |
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+0
2
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| 101, 111, 112, 113, 114, 115, 116, 117, 118, 119, 121, 123, 131, 135, 141, 147, 151, 159, 202, 210, 212, 222, 223, 224, 225, 226, 227, 228, 229, 232, 234, 242, 246, 252, 258
(list; graph; listen)
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OFFSET
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0,1
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COMMENT
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Numbers from 10 to 99 are trivial members. Question: There seems to be a pattern. Can some one find a formula for index of a given member.
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EXAMPLE
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112 is a member yielding 02 or 2.
131 and 135 both are members and the palindrome arising in both the cases is 22.
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CROSSREFS
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Cf. A086919.
Adjacent sequences: A086915 A086916 A086917 this_sequence A086919 A086920 A086921
Sequence in context: A140799 A025349 A025341 this_sequence A050661 A116642 A084413
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KEYWORD
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base,easy,nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Sep 18 2003
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