# A066121 (b-file synthesized from sequence entry) 1 1 2 2 3 1 4 3 5 2 6 1 7 4 8 6 9 2 10 1 11 5 12 24 13 12 14 2 15 1 16 6 17 120 18 288 19 24 20 2 21 1 22 7 23 720 24 34560 25 6912 26 48 27 2 28 1 29 8 30 5040 31 24883200 32 238878720 33 331776 34 96 35 2 36 1 37 9 38 40320 39 125411328000 40 5944066965504000 41 79254226206720 42 31850496 43 192 44 2 45 1 46 10 47 362880