# A151181 (b-file synthesized from sequence entry) 0 1 1 3 2 12 3 50 4 230 5 1059 6 5043 7 24073 8 116650 9 566294 10 2770564 11 13575457 12 66809023 13 329196128 14 1626369177 15 8042962723 16 39842574055 17 197525771175 18 980382103175 19 4869026293964 20 24201218678644 21 120351728434595 22 598854576465375 23 2981035269045935 24 14845798328053850 25 73957590749549226 26 368560458686376624