# A161200 (b-file synthesized from sequence entry) 0 1 1 -3 2 3 3 1 4 3 5 3 6 7 7 9 8 99 9 143 10 429 11 663 12 4199 13 6783 14 22287 15 37145 16 1002915 17 1710855 18 5892945 19 10235115 20 71645805 21 126233085 22 447553665 23 797813055 24 11435320455 25 20583576819 26 74417546961 27 135054066707