[1,1,2,6,18,63,238,921,3724,15481,65567,282538,
1236274,5472661,24462349,110348896,501604455,
2294792044,10560615629,48858061607,227074658274,
1059724267133,4964418948999,23335624138336,
110026811495899,520243459277072,2466277600473485,
11719307714768490,55809636116165236]
|