# A260217 (b-file synthesized from sequence entry) 1 0 2 0 3 4 4 24 5 100 6 360 7 1204 8 3864 9 12100 10 37320 11 114004 12 346104 13 1046500 14 3155880 15 9500404 16 28566744 17 85831300 18 257756040 19 773792404 20 2322425784 21 6969374500 22 20912317800 23 62745342004 24 188252803224 25 564791964100 26 1694443001160 27 5083463221204 28 15250658099064