# A091295 (b-file synthesized from sequence entry) 1 1 2 2 3 7 4 10 5 25 6 147 7 218 8 446 9 551 10 5960 11 14252 12 63337 13 118472 14 183457 15 951700 16 3458334 17 6284060 18 2581691 19 80743228 20 259753425