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A026968 a(n) = Sum_{k=0..n-2} T(n,k) * T(n,k+2), with T given by A026637. 0

%I #8 Oct 20 2019 16:23:22

%S 1,8,41,208,856,3552,14172,56462,223292,881656,3475141,13688112,

%T 53891760,212145608,835111160,3287779006,12946154944,50989472460,

%U 200879577216,791617503410,3120501139160,12304529289928,48533074308046,191488113441258,755744827552836,2983563960355832

%N a(n) = Sum_{k=0..n-2} T(n,k) * T(n,k+2), with T given by A026637.

%K nonn

%O 2,2

%A _Clark Kimberling_

%E More terms from _Sean A. Irvine_, Oct 20 2019

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Last modified April 24 03:08 EDT 2024. Contains 371918 sequences. (Running on oeis4.)