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 A217517 Base-n state complexity of partitioned deterministic finite automaton (PDFA) for the periodic sequence (12345)*. 2
 20, 20, 10, 6, 5, 20, 20, 10, 6, 5, 20, 20, 10, 6, 5, 20, 20, 10, 6, 5, 20, 20, 10, 6, 5, 20, 20, 10, 6, 5, 20, 20, 10, 6, 5, 20, 20, 10, 6, 5, 20, 20, 10, 6, 5, 20, 20, 10, 6, 5, 20, 20, 10, 6, 5, 20, 20, 10, 6, 5, 20, 20, 10, 6, 5, 20, 20, 10, 6, 5 (list; graph; refs; listen; history; text; internal format)
 OFFSET 2,1 COMMENTS Ultimately periodic with period length 5. LINKS Table of n, a(n) for n=2..71. Klaus Sutner and Sam Tetruashvili, Inferring automatic sequences, p. 5 (Table 1). Index entries for linear recurrences with constant coefficients, signature (0,0,0,0,1). FORMULA G.f.: x^2*(20 + 20*x + 10*x^2 + 6*x^3 + 5*x^4)/(1 - x^5). - Vincenzo Librandi, Nov 18 2012 MATHEMATICA CoefficientList[Series[(20 + 20 x + 10 x^2 + 6 x^3 + 5 x^4)/(1 - x^5), {x, 0, 30}], x] (* Vincenzo Librandi, Nov 18 2012 *) PROG (Magma) &cat[[20, 20, 10, 6, 5]: n in [0..30]]; // Vincenzo Librandi, Nov 18 2012 CROSSREFS Sequence in context: A205545 A087708 A220022 * A332561 A278831 A081245 Adjacent sequences: A217514 A217515 A217516 * A217518 A217519 A217520 KEYWORD nonn,easy AUTHOR N. J. A. Sloane, Oct 07 2012 STATUS approved

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