[1,1,4,18,92,504,2897,17235,105233,655687,4152461,
26650675,172961053,1133152365,7484233381,
49780558057,333155274455,2241793462963,
15158132783457,102938343190333,701783155862751,
4801340686195787,32954688422181493,
226853921031126233,1565828056187052419,
10834714749540715871,75142241780769151970,
522240807596491906516]
|