# A091622 (b-file synthesized from sequence entry) 1 1 2 2 3 6 4 11 5 26 6 61 7 132 8 290 9 638 10 1390 11 3012 12 6496 13 13940 14 29793 15 63450 16 134628 17 284764 18 600596 19 1263304 20 2650684 21 5549117 22 11592553 23 24170837 24 50306424 25 104527509 26 216852455 27 449232326 28 929378744 29 1920295902 30 3963077103