# A066467 (b-file synthesized from sequence entry) 1 5 2 8 3 9 4 12 5 16 6 24 7 36 8 64 9 576 10 4096 11 65536 12 262144 13 1073741824 14 39582418599936 15 1152921504606846976 16 41505174165846491136 17 85070591730234615865843651857942052864 18 14809541015890854379394722643016154544844622790702218770137481216