# A187357 (b-file synthesized from sequence entry) 0 1 1 5 2 132 3 4862 4 208012 5 9694845 6 477638700 7 24466267020 8 1289904147324 9 69533550916004 10 3814986502092304 11 212336130412243110 12 11959798385860453492 13 680425371729975800390 14 39044429911904443959240 15 2257117854077248073253720 16 131327898242169365477991900 17 7684785670514316385230816156 18 451959718027953471447609509424