属于这两个集合的第一个数字：
15,21,91,703,820,3081,4095,7381,12720,23871,66430,104653,597871,810901,3555111,5380840,27546753,48427561,120769111,435848050,935778691,3922632451,4102594653,31788928731,35303692060,139367449081,317733228541,1079887798153,2859599056870,4734390674091,25736391511831,36684396208461,160829915470003,231627523606480.