# A061124 (b-file synthesized from sequence entry) 1 0 2 0 3 0 4 0 5 0 6 0 7 504 8 4032 9 27216 10 514080 11 4823280 12 57081024 13 500972472 14 4412103696 15 60619398840 16 686638592640 17 9335025764064 18 104304736815552 19 1180585704051936 20 29016515871665280 21 478096386437121480