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A026962 a(n) = Sum_{k=0..n-1} T(n,k) * T(n,k+1), with T given by A026626. 0

%I

%S 1,6,24,108,406,1572,5961,22788,87209,335010,1290376,4983162,19286891,

%T 74797176,290586771,1130716508,4406049037,17191077082,67152699384,

%U 262594530318,1027851765350,4026831276662,15788979175102,61954847930374,243278117470476,955907159445522

%N a(n) = Sum_{k=0..n-1} T(n,k) * T(n,k+1), with T given by A026626.

%K nonn

%O 1,2

%A _Clark Kimberling_

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

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Last modified November 28 19:48 EST 2021. Contains 349415 sequences. (Running on oeis4.)