# A286947 (b-file synthesized from sequence entry) 1 1 2 3 3 2 4 15 5 20 6 24 7 105 8 140 9 84 10 90 11 1155 12 770 13 924 14 1980 15 2100 16 15015 17 10010 18 24024 19 4290 20 13650 21 23100 22 255255 23 340340 24 204204 25 364650 26 464100 27 353430 28 60060 29 4849845 30 6466460 31 5819814 32 1385670 33 3527160 34 5969040 35 570570 36 510510 37 111546435 38 74364290 39 44618574 40 127481640 41 81124680 42 102965940 43 39369330 44 58708650 45 29099070