The (1,3)-entry in the 3 X 3 matrix M^n, where M = [1,1,1 / 4,2,1 / 9,3,1].
A122883
The (1,3)-entry in the 3 X 3 matrix M^n, where M = [1,1,1 / 4,2,1 / 9,3,1].
Terms
- a(0) =1a(1) =3a(2) =23a(3) =123a(4) =739a(5) =4263a(6) =24935a(7) =145155a(8) =846379a(9) =4932351a(10) =28749263a(11) =167560155a(12) =976617811a(13) =5692134423a(14) =33176213303a(15) =193365096243
External references
- oeis: A122883