[1,3,13,55,251,1141,5335,24963,118375,562375,
2691437,12906257,62168991,300007995,1452102449,
7039558679,34199832655,166374726507,810680032585,
3954666188643,19315989851281,94438597716433,
462193556366483,2263932123478525,
11098618726962151,54449006317549851,
267313107439106905]
|