# A061125 (b-file synthesized from sequence entry) 1 0 2 0 3 0 4 0 5 0 6 0 7 420 8 3360 9 30240 10 403200 11 4019400 12 80166240 13 965284320 14 12173441280 15 162850287600 16 2428557331200 17 32123543612160 18 534678700308480 19 8126981741380320 20 128338880777251200 21 2080312367956502400 22 36351373041072122880 23 606331931399062693440