# A125548 (b-file synthesized from sequence entry) 1 0 2 1 3 2 4 4 5 8 6 16 7 30 8 56 9 102 10 186 11 336 12 606 13 1088 14 1954 15 3502 16 6278 17 11246 18 20148 19 36086 20 64640 21 115774 22 207374 23 371430 24 665298 25 1191646 26 2134454 27 3823160 28 6847974 29 12265912 30 21970470 31 39353006 32 70488334 33 126257182 34 226149314