# A109121 (b-file synthesized from sequence entry) 0 250 1 34560 2 487350 3 3028480 4 12251250 5 38016000 6 98499310 7 223948800 8 461143530 9 878560000 10 1572243750 11 2672386560 12 4350609250 13 6827950080 14 10383558750 15 15364096000 16 22193838810 17 31385491200 18 43551700630