# A089877 (b-file synthesized from sequence entry) 0 1 1 1 2 0 3 0 4 0 5 5 6 0 7 0 8 0 9 5 10 0 11 10 12 0 13 5 14 0 15 10 16 0 17 45 18 0 19 10 20 0