# A078227 (b-file synthesized from sequence entry) 1 2 2 4 3 8 4 16 5 32 6 96 7 672 8 45696 9 2787456 10 270383232 11 507238943232 12 27274745216527872 13 141232121898569036783616 14 216567470725252501672125832323072