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A049188 Revert transform of 2*(1 + x + x^2 + x^5 + x^6 + x^7)-1/(1-x). 0

%I

%S 1,1,3,9,31,113,429,1679,6719,27367,113053,472471,1993785,8483023,

%T 36348595,156705421,679218965,2957961685,12936141935,56787742645,

%U 250137441355,1105189823717,4896749876081,21751355833739

%N Revert transform of 2*(1 + x + x^2 + x^5 + x^6 + x^7)-1/(1-x).

%C Sign diagram of generating sequence: +++--+++--------...

%H <a href="/index/Res#revert">Index entries for reversions of series</a>

%K nonn

%O 1,3

%A _Olivier GĂ©rard_

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Last modified September 23 19:33 EDT 2020. Contains 337315 sequences. (Running on oeis4.)