# A013314 (b-file synthesized from sequence entry) 0 1 1 0 2 -1 3 -6 4 -15 5 0 6 183 7 1162 8 4305 9 4032 10 -75169 11 -720390 12 -4057119 13 -13316160 14 17994039 15 691795018 16 6706003809 17 45159313536 18 210202685567 19 247239745914 20 -8759676926319 21 -137896385117568 22 -1415069646671241