# A225670 (b-file synthesized from sequence entry) 1 3 2 5 3 7 4 11 5 13 6 17 7 19 8 23 9 29 10 31 11 37 12 41 13 43 14 53 15 2539 16 936599 17 127852322431 18 510819260848900502567 19 1553192364608434843485965159509450536731 20 52119893982548112392303882371161186032080710958633917215400463948724068502699