# A264199 (b-file synthesized from sequence entry) 1 16 2 1600 3 194481 4 7535025 5 442050625 6 28044191296 7 1785793904896 8 105630130633104 9 6491295438667776 10 399228109079760016 11 24524466922827571456 12 1500134086448692638784