# A134684 (b-file synthesized from sequence entry) 0 0 1 1 2 2048 3 531441 4 67108864 5 6103515625 6 470184984576 7 33232930569601 8 2251799813685248 9 150094635296999121 10 10000000000000000000 11 672749994932560009201 12 46005119909369701466112