# A065125 (b-file synthesized from sequence entry) 1 4 2 12 3 56 4 992 5 16256 6 67100672 7 17179738112 8 274877382656 9 4611686016279904256 10 5316911983139663489309385231907684352 11 383123885216472214589586756168607276261994643096338432