# A059584 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 2 4 2 5 1 6 3 7 7 8 12 9 12 10 1 11 4 12 16 13 68 14 292 15 1120 16 3360 17 6720 18 6720 19 1 20 5 21 30 22 235 23 2251 24 23520 25 245280 26 2412480 27 21631680 28 172972800 29 1210809600 30 7264857600 31 36324288000 32 145297152000 33 435891456000 34 871782912000 35 871782912000