[1,1,2,7,25,108,525,2841,16926,109795,768721,
5769848,46170841,392042257,3517885530,33240220095,
329703176361,3423448119588,37121182883557,
419414109036649,4927952017449398,
60105139223521051,759744837538329121,
9937680363610804080,134328047043765078705]
|