# A144281 (b-file synthesized from sequence entry) 1 1 2 4 3 25 4 265 5 3793 6 70789 7 1600429 8 42811078 9 1316981794 10 45858363502 11 1781106761686 12 76349861206627 13 3579325969675135 14 182170488961796899 15 10002072131444031160 16 589261706147357617009 17 37076870479319887575253 18 2481442922857293505594237