# A296227 (b-file synthesized from sequence entry) 0 1 1 2 2 8 3 34 4 146 5 628 6 2703 7 11632 8 50057 9 215415 10 927016 11 3989317 12 17167612 13 73879038 14 317930779 15 1368182139 16 5887829959 17 25337665679 18 109038016813 19 469233798454 20 2019298993572 21 8689843823858 22 37395841786394 23 160929127296116 24 692541811472532