# A340864 (b-file synthesized from sequence entry) 1 672 2 30240 3 32760 4 2178540 5 23569920 6 45532800 7 142990848 8 459818240 9 1379454720 10 14182439040 11 43861478400 12 51001180160 13 66433720320 14 153003540480 15 403031236608 16 704575228896 17 13661860101120 18 181742883469056 19 6088728021160320 20 14942123276641920 21 20158185857531904