# A334047 (b-file synthesized from sequence entry) 1 0 2 0 3 6 4 16 5 35 6 78 7 168 8 352 9 735 10 1535 11 3201 12 6670 13 13897 14 28952 15 60311 16 125632 17 261698 18 545127 19 1135516 20 2365311 21 4927005 22 10263077 23 21378247 24 44531422 25 92760060 26 193221509 27 402485199 28 838386656