# A068841 (b-file synthesized from sequence entry) 0 11 1 31 2 97 3 271 4 811 5 2437 6 7297 7 21871 8 65617 9 196831 10 5904901 11 17714701 12 5314411 13 15943237 14 47829697 15 1434890761 16 4304672117 17 1291401637 18 3874204891 19 116226146719 20 348678440113 21 1046035320347 22 313810596091 23 9414317882759