# A335997 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 1 4 2 5 2 6 1 7 6 8 12 9 12 10 1 11 24 12 144 13 288 14 288 15 1 16 120 17 2880 18 17280 19 34560 20 34560 21 1 22 720 23 86400 24 2073600 25 12441600 26 24883200 27 24883200 28 1 29 5040 30 3628800 31 435456000 32 10450944000 33 62705664000 34 125411328000 35 125411328000