# A063690 (b-file synthesized from sequence entry) 1 1 2 12 3 20 4 44 5 68 6 74 7 146 8 284 9 2204 10 6884 11 61454 12 82934 13 407924 14 2792144 15 3988424 16 8380448 17 37762394 18 191916944 19 206846955 20 705182864 21 867648044 22 874419272 23 874628864