# A281389 (b-file synthesized from sequence entry) 1 2 2 9 3 8 4 625 5 7776 6 117649 7 128 8 6561 9 1000000000 10 25937424601 11 362797056 12 23298085122481 13 2541865828329 14 29192926025390625 15 32768 16 48661191875666868481 17 16926659444736 18 104127350297911241532841 19 10000000000000000000 20 278218429446951548637196401