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 A334673 a(n) = 23*a(n-1) - a(n-2) + 1 for n > 1, a(0)=0, a(1)=1. 3
 0, 1, 24, 552, 12673, 290928, 6678672, 153318529, 3519647496, 80798573880, 1854847551745, 42580695116256, 977501140122144, 22439945527693057, 515141245996818168, 11825808712399124808, 271478459139183052417, 6232178751488811080784, 143068632825103471805616 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS Michael De Vlieger, Table of n, a(n) for n = 0..735 Francesca Arici and Jens Kaad, Gysin sequences and SU(2)-symmetries of C*-algebras, arXiv:2012.11186 [math.OA], 2020. Index entries for linear recurrences with constant coefficients, signature (24,-24,1). FORMULA a(n) = A004254(n)*A004254(n+1)/5 = A160695(n+1)/5. G.f.: x/((1-x)*(x^2-23*x+1)). - Alois P. Heinz, Sep 11 2020 MATHEMATICA CoefficientList[Series[x/((1 - x) (x^2 - 23 x + 1)), {x, 0, 18}], x] (* Michael De Vlieger, Apr 07 2021 *) CROSSREFS Cf. A004254, A097778 (first differences). Cf. A212336 for more sequences with g.f. of the type 1/(1-k*x+k*x^2-x^3). Sequence in context: A362357 A162810 A010561 * A342888 A163174 A163519 Adjacent sequences: A334670 A334671 A334672 * A334674 A334675 A334676 KEYWORD nonn,easy AUTHOR Francesca Arici, Sep 11 2020 EXTENSIONS a(13)-a(14) corrected and more terms added by Alois P. Heinz, Sep 11 2020 STATUS approved

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Last modified October 4 16:17 EDT 2023. Contains 365887 sequences. (Running on oeis4.)