# A180073 (b-file synthesized from sequence entry) 2 0 3 2 4 12 5 56 6 344 7 2486 8 19936 9 179772 10 1800566 11 19867748 12 238718608 13 3105919304 14 43474755484 15 652732780048 16 10446585803476 17 177631436657888