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 A226728 G.f.: 1/G(0), where G(k) = 1 + q^(k+1) / (1 - q^(k+1)/G(k+2) ). 4
 1, -1, 0, 0, 0, 1, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, -1, 0, 0, 0, 1, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, -2, 0, 0, 0, 3, 0, 0, 0, -2, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, -4, 0, 0, 0, 4, 0, 0, 0, -3, 0, 0, 0, 1, 0, 0, 0, 3, 0, 0, 0, -6, 0, 0, 0, 7, 0, 0, 0, -5, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, -9, 0 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,42 LINKS FORMULA G.f.: 1/(1+q/(1-q/(1+q^3/(1-q^3/(1+q^5/(1-q^5/(1+q^7/(1-q^7/(1+ ... ))))))))). G.f.: 1/W(0), where W(k)= 1 + x^(2*k+1)/(1 - x^(2*k+1)/W(k+1) ); (continued fraction). - Sergei N. Gladkovskii, Aug 16 2013 PROG (PARI) N = 166;  q = 'q + O('q^N); G(k) = if(k>N, 1, 1 + q^(k+1) / (1 - q^(k+1) / G(k+2) ) ); gf = 1 / G(0); Vec(gf) CROSSREFS Cf. A049346 (g.f.: 1 - 1/G(0), G(k)= 1 + q^(k+1) / (1 - q^(k+1)/G(k+1) ) ). Cf. A226729 (g.f.: 1/G(0), G(k) = 1 - q^(k+1) / (1 - q^(k+1)/G(k+2) ) ). Cf. A006958 (g.f.: 1/G(0), G(k) = 1 - q^(k+1) / (1 - q^(k+1)/G(k+1) ) ). Cf. A227309 (g.f.: 1/G(0), G(k) = 1 - q^(k+1) / (1 - q^(k+2)/G(k+1) ) ). Sequence in context: A174712 A127647 A325458 * A244140 A091227 A300715 Adjacent sequences:  A226725 A226726 A226727 * A226729 A226730 A226731 KEYWORD sign AUTHOR Joerg Arndt, Jun 29 2013 STATUS approved

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Last modified October 13 20:38 EDT 2019. Contains 327981 sequences. (Running on oeis4.)