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A266749 G.f.: 1/((1-t^9)^2*(1-t)*(1-t^3)*(1-t^5)*(1-t^7)*(1-t^11)*(1-t^13)*(1-t^15)*(1-t^17)). 0

%I #10 Jan 04 2023 18:46:57

%S 1,1,1,2,2,3,4,5,6,9,11,13,17,20,25,31,37,44,55,64,76,91,106,125,147,

%T 171,198,233,267,308,356,407,466,534,607,690,787,888,1004,1135,1277,

%U 1435,1614,1806,2021,2263,2520,2807,3126,3470,3849,4269,4720,5217,5765,6352,6995,7701,8459,9286,10190,11159,12214,13363,14592,15926,17374

%N G.f.: 1/((1-t^9)^2*(1-t)*(1-t^3)*(1-t^5)*(1-t^7)*(1-t^11)*(1-t^13)*(1-t^15)*(1-t^17)).

%t CoefficientList[Series[1/((1-t^9)^2(1-t)(1-t^3)(1-t^5)(1-t^7)(1-t^11)(1-t^13)(1-t^15)(1-t^17)),{t,0,70}],t] (* _Harvey P. Dale_, Jan 04 2023 *)

%K nonn

%O 0,4

%A _N. J. A. Sloane_, Jan 10 2016

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Last modified March 29 03:51 EDT 2024. Contains 371264 sequences. (Running on oeis4.)