# A147435 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 1 5 1 6 13 7 21 8 57 9 259 10 1017 11 4255 12 25913 13 160493 14 1488777 15 11698881 16 154711435 17 1737788683 18 30091739925