# A141824 (b-file synthesized from sequence entry) 1 1 2 2 3 4 4 9 5 24 6 75 7 269 8 1095 9 5039 10 26084 11 150356 12 952526 13 6553011 14 48553418 15 385693800 16 3277413802 17 29741002168 18 287555932433 19 2952769116993 20 32079033571080 21 367336668735826 22 4419518218479215 23 55733223965845539 24 735448682261126767 25 10142738983005750681