# A084017 (b-file synthesized from sequence entry) 1 1 2 22 3 111 4 4004 5 50005 6 201102 7 1103011 8 21100112 9 100070001 10 1000800010 11 20009090002 12 210003300012 13 1000276720001 14 20000055000002 15 500000050000005 16 2110000440000112 17 10000007170000001 18 200000007700000002