[1,1,3,6,25,69,306,968,4495,15457,73187,265886,
1276200,4822808,23356328,90916036,443070045,
1764876843,8640616651,35059209106,172241437579,
709515169465,3495119780527,14580289703320,
71975955298661,303483724749584,1500714793344535,
6386054657765297,31622910371957637]
|