# A208357 (b-file synthesized from sequence entry) 1 4 2 64 3 1764 4 68644 5 3341584 6 190992400 7 12310790116 8 871343837764 9 66469126179600 10 5391179227622500 11 460213149486493456 12 41024422751464102500 13 3795407861954983718544 14 362631040029370613957184 15 35638591665642822414493156 16 3590789985613539065908070116 17 369893506453438150061450367376