# A341196 (b-file synthesized from sequence entry) 0 0 1 1 2 20 3 243 4 2800 5 33425 6 424116 7 5762155 8 83891648 9 1306561185 10 21709011700 11 383654149571 12 7189789929840 13 142465285362673 14 2976697773182420 15 65417312929686075 16 1508567496105346816 17 36425941390897897025 18 919100609186531702868