# A117265 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 3 4 2 5 1 6 20 7 12 8 4 9 1 10 280 11 160 12 48 13 8 14 1 15 8064 16 4480 17 1280 18 192 19 16 20 1 21 473088 22 258048 23 71680 24 10240 25 768 26 32 27 1 28 56229888 29 30277632 30 8257536 31 1146880 32 81920 33 3072 34 64 35 1 36 13495173120 37 7197425664 38 1937768448 39 264241152 40 18350080 41 655360