A125659 - OEIS

A125659

Central terms of triangle A125653, in which column k equals the eigensequence of the matrix power A125653^k: a(n) = A125653(2n,n) for n>=0.

%I #3 Mar 30 2012 18:37:02

%S 1,1,3,13,79,631,6171,70974,934493,13812955,225892738,4041653903,

%T 78416804094,1638071535998,36622481352509,871920455890863,

%U 22011856296991521,587044908015897519,16485592791887247448

%N Central terms of triangle A125653, in which column k equals the eigensequence of the matrix power A125653^k: a(n) = A125653(2n,n) for n>=0.

%C Also equal to the n-th term in the eigensequence of the n-th matrix power of triangle A125653.

%Y Cf. A125653 (triangle); rows: A125654, A125655, A125656, A125657; A125658 (row sums).

%K nonn

%O 0,3

%A _Paul D. Hanna_, Nov 30 2006