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A192735 Left edge of the triangle in A033291. 4

%I

%S 1,2,6,16,30,54,91,136,198,280,374,492,637,798,990,1216,1462,1746,

%T 2071,2420,2814,3256,3726,4248,4825,5434,6102,6832,7598,8430,9331,

%U 10272,11286,12376,13510,14724,16021,17366,18798,20320,21894,23562,25327,27148,29070

%N Left edge of the triangle in A033291.

%C a(n) = A087483(n-2) * n.

%H <a href="/index/Rec#order_08">Index entries for linear recurrences with constant coefficients</a>, signature (2,-1,2,-4,2,-1,2,-1).

%F G.f.: x*(x^2+1)*(2*x^4+4*x^3+2*x^2+1) / ((x-1)^4*(x^2+x+1)^2). - _Colin Barker_, Mar 31 2013

%p A192735 := proc(n)

%p A087483(n-2)*n ;

%p end proc:

%p seq(A192735(n),n=1..10) ; # _R. J. Mathar_, Aug 10 2017

%o (Haskell) See A033291.

%Y Cf. A192736.

%K nonn

%O 1,2

%A _Reinhard Zumkeller_, Jul 08 2011

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Last modified July 29 17:41 EDT 2021. Contains 346346 sequences. (Running on oeis4.)