# A075214 (b-file synthesized from sequence entry) 1 1 2 1 3 3 4 7 5 22 6 76 7 290 8 1018 9 3715 10 11068 11 24289 12 102642 13 163176 14 527675 15 1569567 16 2929322 17 4752512 18 21006062 19 24293375 20 95578494 21 205091895