# A337956 (b-file synthesized from sequence entry) 1 1 2 15 3 126 4 730 5 3270 6 11991 7 37450 8 102726 9 253485 10 573265 11 1205556 12 2384460 13 4475926 14 8031765 15 13858860 16 23106196 17 37372545 18 58837851 19 90421570 20 135971430 21 200486286 22 290376955 23 413769126 24 580852650 25 804281725