# A259853 (b-file synthesized from sequence entry) 1 1 2 3 3 5 4 35 5 63 6 77 7 429 8 6435 9 12155 10 46189 11 88179 12 676039 13 1300075 14 5014575 15 215441 16 300540195 17 583401555 18 756261275 19 4418157975 20 6892326441 21 22427411435 22 263012370465 23 514589420475 24 895766768975 25 15801325804719 26 61989816618513 27 121683714103007