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A278613 Sum of terms in level n of TRIP -  Stern sequence associated with permutation triple (e,e,132). 4

%I

%S 3,8,21,55,145,381,1001,2633,6921,18193,47833,125745,330569,869057,

%T 2284665,6006193,15789865,41510241,109127129,286886801

%N Sum of terms in level n of TRIP - Stern sequence associated with permutation triple (e,e,132).

%H I. Amburg, K. Dasaratha, L. Flapan, T. Garrity, C. Lee, C. Mihailak, N. Neumann-Chun, S. Peluse, M. Stoffregen, <a href="https://arxiv.org/abs/1509.05239">Stern Sequences for a Family of Multidimensional Continued Fractions: TRIP-Stern Sequences</a>, arXiv:1509.05239 [math.CO], 17 Sep 2015.

%F Conjecture: G.f.: ( -3-5*x-7*x^2 ) / ( -1+x+2*x^2+6*x^3 ). - _R. J. Mathar_, Dec 02 2016

%Y Cf. A278612, A278614, A278615, A278616.

%K nonn,more

%O 0,1

%A _Ilya Amburg_, Nov 23 2016

%E New offset and a(10)-a(19) from _R. J. Mathar_, Dec 02 2016

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Last modified August 7 22:13 EDT 2022. Contains 355995 sequences. (Running on oeis4.)