# A258566 (b-file synthesized from sequence entry) 1 1 2 3 3 2 4 15 5 10 6 6 7 105 8 70 9 42 10 30 11 1155 12 770 13 462 14 330 15 210 16 15015 17 10010 18 6006 19 4290 20 2730 21 2310 22 255255 23 170170 24 102102 25 72930 26 46410 27 39270 28 30030 29 4849845 30 3233230 31 1939938 32 1385670 33 881790 34 746130 35 570570 36 510510