Sum of all matrix elements of n X n matrix M[i,j] = Lucas[i+j-1], (i,j = 1..n), where Lucas[n] = A000032[n] = Fibonacci[n-1] + Fibonacci[n+1].

A120537

Sum of all matrix elements of n X n matrix M[i,j] = Lucas[i+j-1], (i,j = 1..n), where Lucas[n] = A000032[n] = Fibonacci[n-1] + Fibonacci[n+1].

Terms

    a(0) =1a(1) =11a(2) =44a(3) =145a(4) =431a(5) =1216a(6) =3329a(7) =8955a(8) =23836a(9) =63041a(10) =166079a(11) =436480a(12) =1145441a(13) =3003211a(14) =7869644a(15) =20614545a(16) =53988271a(17) =141373376a(18) =370169249a(19) =969194875a(20) =2537513276a(21) =6643503361a(22) =17393253119a(23) =45536670720a(24) =119217430081a(25) =312116705291a(26) =817134442604

External references