# A101213 (b-file synthesized from sequence entry) 0 0 1 108 2 1152 3 6000 4 21600 5 61740 6 150528 7 326592 8 648000 9 1197900 10 2090880 11 3480048 12 5564832 13 8599500 14 12902400 15 18865920 16 26967168 17 37779372 18 51984000 19 70383600 20 93915360 21 123665388 22 160883712 23 207000000 24 263640000 25 332642700