# A192255 (b-file synthesized from sequence entry) 1 0 2 4 3 13 4 45 5 120 6 300 7 692 8 1524 9 3225 10 6625 11 13280 12 26096 13 50432 14 96100 15 180925 16 337085 17 622328 18 1139756 19 2072580 20 3744980 21 6728345 22 12026209 23 21395328 24 37901760 25 66881760 26 117598660 27 206094157 28 360085869 29 627364920 30 1090171020