# A000637 (b-file synthesized from sequence entry) 0 1 1 0 2 1 3 2 4 7 5 8 6 37 7 40 8 200 9 258 10 1039 11 1501 12 7629 13 10109 14 54322 15 83975 16 527036 17 780193 18 5808293