# A095091 (b-file synthesized from sequence entry) 1 0 2 0 3 0 4 1 5 2 6 7 7 15 8 31 9 68 10 148 11 310 12 664 13 1345 14 2768 15 5673 16 11605 17 23665 18 48035 19 97599 20 197383