# A177126 (b-file synthesized from sequence entry) 0 1 1 10 2 23 3 150 4 765 5 5065 6 32337 7 223672 8 1556583 9 11178843 10 81228819 11 599868763 12 4475307567 13 33731219901 14 256268778463 15 1961208117130 16 15101975890677 17 116936866669157 18 909887821312929 19 7110983852617913 20 55793178281433653