# A363476 (b-file synthesized from sequence entry) 0 0 1 1 2 8 3 108 4 1125 5 12800 6 140608 7 1565109 8 17333064 9 192329500 10 2132531225 11 23651979264 12 262296652032 13 2908947562937 14 32260582549000 15 357775937196300 16 3967793428038237 17 44003514081895936 18 488006404120114496 19 5412074146674562125 20 60020821224245910600