# A253285 (b-file synthesized from sequence entry) 0 0 1 24 2 240 3 1200 4 4200 5 11760 6 28224 7 60480 8 118800 9 217800 10 377520 11 624624 12 993720 13 1528800 14 2284800 15 3329280 16 4744224 17 6627960 18 9097200 19 12289200 20 16364040 21 21507024 22 27931200 23 35880000 24 45630000 25 57493800 26 71823024 27 89011440 28 109498200 29 133771200 30 162370560