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URL: https://oeis.org/A247391

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A247391
Base-n state complexity of partitioned deterministic finite automaton (PDFA) for the periodic sequence (1234567891011).
10
110, 55, 55, 55, 110, 110, 110, 55, 22, 12, 11, 110, 55, 55, 55, 110, 110, 110, 55, 22, 12, 11, 110, 55, 55, 55, 110, 110, 110, 55, 22, 12, 11, 110, 55, 55, 55, 110, 110, 110, 55, 22, 12, 11, 110, 55, 55, 55, 110, 110, 110, 55, 22, 12, 11, 110, 55, 55, 55
OFFSET
2,1
LINKS
Klaus Sutner and Sam Tetruashvili, Inferring automatic sequences (see table on the p. 5).
FORMULA
G.f.: x^2*(110 + 55*x + 55*x^2 + 55*x^3 + 110*x^4 + 110*x^5 + 110*x^6 + 55*x^7 + 22*x^8 + 12*x^9 + 11*x^10)/(1-x^11).
a(n) = (1283*m^10 - 64570*m^9 + 1396065*m^8 - 16960020*m^7 + 127065939*m^6 - 605936100*m^5 + 1828078285*m^4 - 3335483030*m^3 + 3289569228*m^2 - 1288120680*m + 5443200)/453600 where m = (n mod 11). - Luce ETIENNE, Nov 04 2018
MATHEMATICA
CoefficientList[Series[(110 + 55 x + 55 x^2 + 55 x^3 + 110 x^4 + 110 x^5 + 110 x^6 + 55 x^7 + 22 x^8 + 12 x^9 + 11 x^10)/(1-x^11), {x, 0, 60}], x]
PROG
(Magma) &cat[[110, 55, 55, 55, 110, 110, 110, 55, 22, 12, 11]: n in [0..10]];
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Sep 17 2014
STATUS
approved