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 A085109 Palindromes with more than 3 digits in which the absolute difference of a pair of successive digits is identical. 2
 1111, 2222, 3333, 4444, 5555, 6666, 7777, 8888, 9999, 10101, 11111, 12121, 12321, 13131, 13531, 14141, 14741, 15151, 15951, 16161, 17171, 18181, 19191, 20202, 21012, 21212, 22222, 23232, 23432, 24242, 24642, 25252, 25852, 26262, 27272 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS All the palindromes up to 999 are trivial members of this sequence except for the condition they do not have more than three digits. LINKS David A. Corneth, Table of n, a(n) for n = 1..10000 EXAMPLE 10101 is in the sequence as every consecutive pair (u, v) has |u-v| = c for some constant c. - David A. Corneth, Apr 02 2021 CROSSREFS Cf. A002113. Sequence in context: A176670 A072434 A033285 * A346000 A074843 A175464 Adjacent sequences: A085106 A085107 A085108 * A085110 A085111 A085112 KEYWORD nonn,base,easy AUTHOR Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), Jul 04 2003 EXTENSIONS More terms from David Wasserman, Jan 27 2005 STATUS approved

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Last modified September 29 22:31 EDT 2023. Contains 365781 sequences. (Running on oeis4.)