# A258902 (b-file synthesized from sequence entry) 1 1 2 1 3 5 4 35 5 355 6 4585 7 72485 8 1353275 9 29150275 10 711535825 11 19409915525 12 585181872275 13 19321831403875 14 693431767653625 15 26876449852377125 16 1118833620294264875 17 49786969727179559875 18 2358371859530852790625 19 118483568521991801253125 20 6292649927564072269071875