# A120775 (b-file synthesized from sequence entry) 1 1 2 6 3 23 4 100 5 421 6 1786 7 7563 8 32040 9 135721 10 574926 11 2435423 12 10316620 13 43701901 14 185124226 15 784198803 16 3321919440 17 14071876561 18 59609425686 19 252509579303 20 1069647742900 21 4531100550901 22 19194049946506 23 81307300336923 24 344423251294200 25 1459000305513721