# A067088 (b-file synthesized from sequence entry) 1 2 2 2 3 3 4 4 5 54 6 6391 7 721719 8 73719014 9 819008271 10 900826453 11 982644636 12 1064462818 13 1146281001 14 1228099183 15 1309917366 16 1391735548 17 1473553731 18 1555371913 19 1637190096 20 1719008278 21 1800826461 22 1882644643 23 1964462826