# A067641 (b-file synthesized from sequence entry) 0 2 1 20 2 174 3 1504 4 13300 5 120744 6 1122198 7 10638464 8 102541428 9 1002305040 10 9914663308 11 99085515840 12 999104604784 13 10153152363648 14 103892246982390 15 1069610792999424 16 11072575568623300 17 115189593628215600