# A101628 (b-file synthesized from sequence entry) 1 1 2 35 3 210 4 30030 5 12012 6 1293292 7 6466460 8 743642900 9 6692786100 10 6016814703900 11 12033629407800 12 63606326869800 13 63606326869800 14 784965679900201800 15 784965679900201800 16 258253708687166392200 17 19865669899012799400 18 31905469837808435400 19 31905469837808435400 20 114827785946272559004600