# A246587 (b-file synthesized from sequence entry) 0 6 1 48 2 282 3 1260 4 4896 5 16836 6 53232 7 156384 8 433776 9 1143696 10 2890266 11 7032576 12 16557084 13 37838052 14 84206724 15 182913216 16 388685430 17 809399280 18 1654446816 19 3323927340 20 6572070528 21 12801615744 22 24590359284 23 46619988384 24 87302773392 25 161597518272 26 295849759728