# A076944 (b-file synthesized from sequence entry) 1 2 2 9 3 64 4 81 5 7776 6 15625 7 2097152 8 6561 9 262144 10 3486784401 11 743008370688 12 244140625 13 793714773254144 14 3937376385699289 15 1152921504606846976 16 43046721 17 2185911559738696531968 18 3814697265625