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 A228326 Start with 0. Successive digits in the sequence must differ by 1. Adjoin the smallest number not yet in the sequence. 10
 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 87, 65, 43, 21, 23, 45, 67, 89, 876, 54, 32, 10, 12, 34, 56, 76, 78, 98, 765, 432, 101, 210, 121, 212, 123, 232, 321, 234, 323, 434, 343, 454, 345, 456, 543, 2101, 2121, 2123, 2321, 2323, 2343, 2345, 654, 545, 656, 565, 676, 567 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS Is the sequence infinite? Yes, as for any digit d, there are infinitely many terms in A033075 with leading digit d+1 or d-1. - Paul Tek Aug 25 2013 REFERENCES Eric Angelini, Posting to the Sequence Fans Mailing List, Aug 23 2013. LINKS Paul Tek, Table of n, a(n) for n = 1..10000 Paul Tek, PERL program for this sequence CROSSREFS Cf. A228327, A228328, A033075. Sequence in context: A023106 A135480 A289979 * A098766 A032799 A208130 Adjacent sequences:  A228323 A228324 A228325 * A228327 A228328 A228329 KEYWORD nonn,base AUTHOR N. J. A. Sloane, Aug 24 2013 STATUS approved

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Last modified April 4 05:15 EDT 2020. Contains 333212 sequences. (Running on oeis4.)