# A264007 (b-file synthesized from sequence entry) 1 64 2 7304 3 833569 4 50616720 5 3073593600 6 209279846160 7 14249786962321 8 946586983062988 9 62880021917067664 10 4192351040682143276 11 279513376625239523809 12 18619005467240843252224