# A374463 (b-file synthesized from sequence entry) 1 1 2 3 3 5 4 15 5 189 6 945 7 2125 8 6375 9 9261 10 42550 11 46305 12 127650 13 401625 14 936100 15 1191400 16 2808300 17 3574200 18 8041950 19 19679625 20 22469750 21 58378600 22 58506250 23 67409250 24 175135800 25 175518750 26 176922900 27 394055550 28 494334500