# A026577 (b-file synthesized from sequence entry) 1 1 2 2 3 8 4 34 5 121 6 606 7 2155 8 11306 9 40717 10 217666 11 792351 12 4280046 13 15703156 14 85410872 15 315180458 16 1722900242 17 6385672193 18 35040356022