| 1, 2, 3, 6, 15, 36, 94, 256, 729, 2154, 6583, 20736, 67156, 223150, 759375, 2642246, 9387369, 34012224, 125537306, 471556032, 1801088541, 6989288907, 27536796143, 110075314176, 446169698824, 1832746290156, 7625597484987, 32122422687591
(list; graph; listen)
|
|