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 A094916 a(1) = 1; for n > 1, a(n) = curling number of (b(1),...,b(n-1)), where b() = Fibonacci word A003849 (with offset changed to 1). 1
 1, 1, 1, 1, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 3, 2, 3, 3, 3, 3, 2, 2, 2, 3, 3, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 2, 3, 3, 3, 3, 3, 3, 3, 2, 2, 3, 2, 3, 3, 3, 3, 2, 2, 2, 3, 3, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 3, 2, 3, 3, 3, 3, 2, 3, 3, 3, 3, 3, 3, 3, 3 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,5 COMMENTS The curling number of a finite string S = (s(1),...,s(n)) is the largest integer k such that S can be written as xy^k for strings x and y (where y has positive length). LINKS F. J. van de Bult, D. C. Gijswijt, J. P. Linderman, N. J. A. Sloane and Allan Wilks, A Slow-Growing Sequence Defined by an Unusual Recurrence, J. Integer Sequences, Vol. 10 (2007), #07.1.2. F. J. van de Bult, D. C. Gijswijt, J. P. Linderman, N. J. A. Sloane and Allan Wilks, A Slow-Growing Sequence Defined by an Unusual Recurrence [pdf, ps]. EXAMPLE b(1) to b(12) are 0,1,0,0,1,0,1,0,0,1,0,0, which we can write as xy^2 with x = 0,1,0,0,1,0 and y = 1,0,0; and no greater k is possible, so a(12) = 2. CROSSREFS Cf. A090822, A003849, A093914, A093921. Sequence in context: A088601 A261675 A028950 * A036485 A331971 A030547 Adjacent sequences:  A094913 A094914 A094915 * A094917 A094918 A094919 KEYWORD nonn,easy AUTHOR N. J. A. Sloane, Jun 18 2004 EXTENSIONS More terms from David Wasserman, Jul 03 2007 STATUS approved

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Last modified August 11 00:32 EDT 2020. Contains 336403 sequences. (Running on oeis4.)