# A049944 (b-file synthesized from sequence entry) 1 1 2 1 3 4 4 7 5 17 6 31 7 65 8 143 9 334 10 604 11 1211 12 2435 13 4918 14 10105 15 21087 16 45881 17 107931 18 194776 19 389555 20 779123 21 1558294 22 3116857 23 6234591 24 12472889 25 24961947 26 50010738 27 100303100 28 201774939 29 408226175 30 835179706 31 1745700565 32 3799324205 33 8936122800 34 16126545036 35 32253090075