# A168287 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 1 4 4 5 1 6 1 7 11 8 11 9 1 10 1 11 26 12 60 13 26 14 1 15 1 16 57 17 252 18 252 19 57 20 1 21 1 22 120 23 931 24 1746 25 931 26 120 27 1 28 1 29 247 30 3201 31 10187 32 10187 33 3201 34 247 35 1 36 1 37 502 38 10534 39 53542 40 89788 41 53542 42 10534 43 502 44 1 45 1 46 1013 47 33698 48 262466 49 688976 50 688976 51 262466 52 33698 53 1013