# A145822 (b-file synthesized from sequence entry) 1 1 2 18315 3 142010 4 457380 5 809424 6 2044350 7 237600 8 2494800 9 2217600 10 498960 11 3628800 12 2910600 13 0 14 712800 15 887040 16 0 17 0 18 0 19 0 20 997920 21 1900800