# A329953 (b-file synthesized from sequence entry) 1 3 2 4 3 6 4 12 5 20 6 24 7 70 8 714 9 1364 10 2706 11 26220 12 53570 13 67044 14 164220 15 5053620 16 60369855 17 191895456 18 475528443 19 715236599